diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index 1594d12..f7dbcab 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,3 +1,24 @@
+<!--
+#
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+#  KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+-->
+
 # Contributing to Apache Cordova
 
 Anyone can contribute to Cordova. And we need your contributions.
diff --git a/RELEASENOTES.md b/RELEASENOTES.md
index 3d6cd70..e6c931a 100644
--- a/RELEASENOTES.md
+++ b/RELEASENOTES.md
@@ -97,3 +97,18 @@
 * CB-6212: [iOS] fix warnings compiled under arm64 64-bit
 * CB-6218: Update docs for BB10
 * CB-6460: Update license headers
+
+### 0.5.0 (Jun 05, 2014)
+* CB-6127 Spanish and rench Translations added. Github close #23
+* Clean up whitespace (mainly due to no newline at eof warning)
+* Adding permission info
+* CB-6806 Add license
+* CB-6491 add CONTRIBUTING.md
+* Add necessary capability so the plugin works on its own
+* CB-6474 InAppBrowser. Add data urls support to WP8
+* CB-6482 InAppBrowser calls incorrect callback on WP8
+* Fixed use of iOS 6 deprecated methods
+* CB-6360 - improvement: feature detection instead of iOS version detection
+* CB-5649 - InAppBrowser overrides App's orientation
+* refactoring fixed
+* CB-6396 [Firefox OS] Adding basic support
diff --git a/doc/index.md b/doc/index.md
index 760831a..d59cd99 100644
--- a/doc/index.md
+++ b/doc/index.md
@@ -30,17 +30,6 @@ and can't access Cordova APIs.
 
     cordova plugin add org.apache.cordova.inappbrowser
 
-### Firefox OS 
-
-Create __www/manifest.webapp__ as described in 
-[Manifest Docs](https://developer.mozilla.org/en-US/Apps/Developing/Manifest).
-Add relevant permisions.
-
-	"permissions": {
-		"browser": {}
-    }
-    
-
 ## window.open
 
 Opens a URL in a new `InAppBrowser` instance, the current browser
@@ -93,6 +82,7 @@ instance, or the system browser.
 - Amazon Fire OS
 - Android
 - BlackBerry 10
+- Firefox OS
 - iOS
 - Windows Phone 7 and 8
 
@@ -101,6 +91,38 @@ instance, or the system browser.
     var ref = window.open('http://apache.org', '_blank', 'location=yes');
     var ref2 = window.open(encodeURI('http://ja.m.wikipedia.org/wiki/ハングル'), '_blank', 'location=yes');
 
+### Firefox OS Quirks
+
+As plugin doesn't enforce any design there is a need to add some CSS rules if 
+opened with `target='_blank'`. The rules might look like these
+
+``` css
+.inAppBrowserWrap {
+  background-color: rgba(0,0,0,0.75);
+  color: rgba(235,235,235,1.0);
+}
+.inAppBrowserWrap menu {
+  overflow: auto;
+  list-style-type: none;
+  padding-left: 0;
+}
+.inAppBrowserWrap menu li {
+  font-size: 25px;
+  height: 25px;
+  float: left;
+  margin: 0 10px;
+  padding: 3px 10px;
+  text-decoration: none;
+  color: #ccc;
+  display: block;
+  background: rgba(30,30,30,0.50);
+}
+.inAppBrowserWrap menu li.disabled {
+	color: #777;
+}
+```
+
+
 ## InAppBrowser
 
 The object returned from a call to `window.open`.
@@ -198,6 +220,7 @@ The function is passed an `InAppBrowserEvent` object.
 
 - Amazon Fire OS
 - Android
+- Firefox OS
 - iOS
 - Windows Phone 7 and 8
 
diff --git a/plugin.xml b/plugin.xml
index fcb1837..9c47e0b 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -20,7 +20,7 @@
 
 <plugin xmlns="http://apache.org/cordova/ns/plugins/1.0"
            id="org.apache.cordova.inappbrowser"
-      version="0.4.1-dev">
+      version="0.5.1-dev">
 
     <name>InAppBrowser</name>
     <description>Cordova InAppBrowser Plugin</description>
@@ -165,6 +165,9 @@
         
     <!-- firefoxos -->
     <platform name="firefoxos">
+        <config-file target="config.xml" parent="/*">
+            <permission name="browser" description="Enables the app to implement a browser in an iframe." />
+        </config-file>
         <js-module src="www/inappbrowser.js" name="inappbrowser">
             <clobbers target="window.open" />
         </js-module>
diff --git a/src/firefoxos/InAppBrowserProxy.js b/src/firefoxos/InAppBrowserProxy.js
index 8ee3736..846f57a 100644
--- a/src/firefoxos/InAppBrowserProxy.js
+++ b/src/firefoxos/InAppBrowserProxy.js
@@ -47,10 +47,34 @@ var IABExecs = {
     open: function (win, lose, args) {
         var strUrl = args[0],
             target = args[1],
-            features = args[2],
+            features_string = args[2] || "location=yes", //location=yes is default
+            features = {},
             url,
             elem;
 
+        var features_list = features_string.split(',');
+        features_list.forEach(function(feature) {
+            var tup = feature.split('=');
+            if (tup[1] == 'yes') {
+                tup[1] = true;
+            } else if (tup[1] == 'no') {
+                tup[1] = false;
+            } else {
+                var number = parseInt(tup[1]);    
+                if (!isNaN(number)) {
+                    tup[1] = number;
+                }
+            }
+            features[tup[0]] = tup[1];
+        });
+
+        function updateIframeSizeNoLocation() {
+            browserWrap.style.width = window.innerWidth + 'px';
+            browserWrap.style.height = window.innerHeight + 'px';
+            browserWrap.browser.style.height = (window.innerHeight - 60) + 'px';
+            browserWrap.browser.style.width = browserWrap.style.width;
+        }
+
         if (target === '_system') {
             origOpenFunc.apply(window, [strUrl, '_blank']);
         } else if (target === '_blank') {
@@ -63,34 +87,73 @@ var IABExecs = {
                 document.body.removeChild(browserWrap);
             }
             browserWrap = document.createElement('div');
+            // assign browser element to browserWrap for future reference
+            browserWrap.browser = browserElem;
+
+            browserWrap.classList.add('inAppBrowserWrap');
             browserWrap.style.position = 'absolute';
-            browserWrap.style.backgroundColor = 'rgba(0,0,0,0.75)';
-            browserWrap.style.color = 'rgba(235,235,235,1.0)';
-            browserWrap.style.width = window.innerWidth + 'px';
-            browserWrap.style.height = window.innerHeight + 'px';
-            browserWrap.style.padding = '10px,0,0,0';
             browserElem.style.position = 'absolute';
+            browserElem.style.border = 0;
             browserElem.style.top = '60px';
             browserElem.style.left = '0px';
-            browserElem.style.height = (window.innerHeight - 60) + 'px';
-            browserElem.style.width = browserWrap.style.width;
+            updateIframeSizeNoLocation();
 
-            browserWrap.addEventListener('click', function () {
+            var menu = document.createElement('menu');
+            menu.setAttribute('type', 'toolbar');
+            var close = document.createElement('li');
+            var back = document.createElement('li');
+            var forward = document.createElement('li');
+
+            close.appendChild(document.createTextNode('×'));
+            back.appendChild(document.createTextNode('<'));
+            forward.appendChild(document.createTextNode('>'));
+
+            close.classList.add('inAppBrowserClose');
+            back.classList.add('inAppBrowserBack');
+            forward.classList.add('inAppBrowserForward');
+
+            function checkForwardBackward() {
+                var backReq = browserElem.getCanGoBack();
+                backReq.onsuccess = function() {
+                    if (this.result) {
+                        back.classList.remove('disabled');
+                    } else {
+                        back.classList.add('disabled');
+                    }
+                }
+                var forwardReq = browserElem.getCanGoForward();
+                forwardReq.onsuccess = function() {
+                    if (this.result) {
+                        forward.classList.remove('disabled');
+                    } else {
+                        forward.classList.add('disabled');
+                    }
+                }
+            };
+
+            browserElem.addEventListener('mozbrowserloadend', checkForwardBackward);
+
+            close.addEventListener('click', function () {
                 setTimeout(function () {
                     IABExecs.close();
                 }, 0);
             }, false);
-            var p = document.createElement('p');
-            p.appendChild(document.createTextNode('close'));
-            // TODO: make all buttons - ← → ×
-            p.style.paddingTop = '10px';
-            p.style.textAlign = 'center';
-            browserWrap.appendChild(p);
+
+            back.addEventListener('click', function () {
+                browserElem.goBack();
+            }, false);
+
+            forward.addEventListener('click', function () {
+                browserElem.goForward();
+            }, false);
+
+            menu.appendChild(back);
+            menu.appendChild(forward);
+            menu.appendChild(close);
+
+            browserWrap.appendChild(menu);
             browserWrap.appendChild(browserElem);
             document.body.appendChild(browserWrap);
-            // assign browser element to browserWrap for future
-            // reference
-            browserWrap.browser = browserElem;
         } else {
             window.location = strUrl;
         }
diff --git a/src/ios/CDVInAppBrowser.h b/src/ios/CDVInAppBrowser.h
index 0ba07f1..c92d9b7 100644
--- a/src/ios/CDVInAppBrowser.h
+++ b/src/ios/CDVInAppBrowser.h
@@ -98,4 +98,5 @@
 
 @property (nonatomic, weak) id <CDVScreenOrientationDelegate> orientationDelegate;
 
-@end
\ No newline at end of file
+@end
+
diff --git a/src/ios/CDVInAppBrowser.m b/src/ios/CDVInAppBrowser.m
index 8037a91..059fcde 100644
--- a/src/ios/CDVInAppBrowser.m
+++ b/src/ios/CDVInAppBrowser.m
@@ -73,7 +73,7 @@
 	if ([[url host] isEqualToString:@"itunes.apple.com"]) {
 		return YES;
 	}
-	
+
 	return NO;
 }
 
@@ -90,7 +90,7 @@
     if (url != nil) {
         NSURL* baseUrl = [self.webView.request URL];
         NSURL* absoluteUrl = [[NSURL URLWithString:url relativeToURL:baseUrl] absoluteURL];
-        
+
         if ([self isSystemUrl:absoluteUrl]) {
             target = kInAppBrowserTargetSystem;
         }
@@ -187,7 +187,7 @@
             }
         }
     }
-  
+
     // UIWebView options
     self.inAppBrowserViewController.webView.scalesPageToFit = browserOptions.enableviewportscale;
     self.inAppBrowserViewController.webView.mediaPlaybackRequiresUserAction = browserOptions.mediaplaybackrequiresuseraction;
@@ -196,7 +196,7 @@
         self.inAppBrowserViewController.webView.keyboardDisplayRequiresUserAction = browserOptions.keyboarddisplayrequiresuseraction;
         self.inAppBrowserViewController.webView.suppressesIncrementalRendering = browserOptions.suppressesincrementalrendering;
     }
-  
+
     [self.inAppBrowserViewController navigateTo:url];
     if (!browserOptions.hidden) {
         [self show:nil];
@@ -213,9 +213,9 @@
         NSLog(@"Tried to show IAB while already shown");
         return;
     }
-    
+
     _previousStatusBarStyle = [UIApplication sharedApplication].statusBarStyle;
-    
+
     CDVInAppBrowserNavigationController* nav = [[CDVInAppBrowserNavigationController alloc]
                                    initWithRootViewController:self.inAppBrowserViewController];
     nav.orientationDelegate = self.inAppBrowserViewController;
@@ -439,7 +439,7 @@
     // Don't recycle the ViewController since it may be consuming a lot of memory.
     // Also - this is required for the PDF/User-Agent bug work-around.
     self.inAppBrowserViewController = nil;
-        
+
     _previousStatusBarStyle = -1;
 
     if (IsAtLeastiOSVersion(@"7.0")) {
@@ -477,7 +477,7 @@
     BOOL toolbarIsAtBottom = ![_browserOptions.toolbarposition isEqualToString:kInAppBrowserToolbarBarPositionTop];
     webViewBounds.size.height -= _browserOptions.location ? FOOTER_HEIGHT : TOOLBAR_HEIGHT;
     self.webView = [[UIWebView alloc] initWithFrame:webViewBounds];
-    
+
     self.webView.autoresizingMask = (UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight);
 
     [self.view addSubview:self.webView];
@@ -519,7 +519,7 @@
 
     float toolbarY = toolbarIsAtBottom ? self.view.bounds.size.height - TOOLBAR_HEIGHT : 0.0;
     CGRect toolbarFrame = CGRectMake(0.0, toolbarY, self.view.bounds.size.width, TOOLBAR_HEIGHT);
-    
+
     self.toolbar = [[UIToolbar alloc] initWithFrame:toolbarFrame];
     self.toolbar.alpha = 1.000;
     self.toolbar.autoresizesSubviews = YES;
@@ -535,7 +535,7 @@
 
     CGFloat labelInset = 5.0;
     float locationBarY = toolbarIsAtBottom ? self.view.bounds.size.height - FOOTER_HEIGHT : self.view.bounds.size.height - LOCATIONBAR_HEIGHT;
-    
+
     self.addressLabel = [[UILabel alloc] initWithFrame:CGRectMake(labelInset, locationBarY, self.view.bounds.size.width - labelInset, LOCATIONBAR_HEIGHT)];
     self.addressLabel.adjustsFontSizeToFitWidth = NO;
     self.addressLabel.alpha = 1.000;
@@ -549,13 +549,13 @@
     self.addressLabel.enabled = YES;
     self.addressLabel.hidden = NO;
     self.addressLabel.lineBreakMode = NSLineBreakByTruncatingTail;
-    
+
     if ([self.addressLabel respondsToSelector:NSSelectorFromString(@"setMinimumScaleFactor:")]) {
         [self.addressLabel setValue:@(10.0/[UIFont labelFontSize]) forKey:@"minimumScaleFactor"];
     } else if ([self.addressLabel respondsToSelector:NSSelectorFromString(@"setMinimumFontSize:")]) {
         [self.addressLabel setValue:@(10.0) forKey:@"minimumFontSize"];
     }
-    
+
     self.addressLabel.multipleTouchEnabled = NO;
     self.addressLabel.numberOfLines = 1;
     self.addressLabel.opaque = NO;
@@ -668,7 +668,7 @@
     if (show) {
         self.toolbar.hidden = NO;
         CGRect webViewBounds = self.view.bounds;
-        
+
         if (locationbarVisible) {
             // locationBar at the bottom, move locationBar up
             // put toolBar at the bottom
@@ -682,7 +682,7 @@
             webViewBounds.size.height -= TOOLBAR_HEIGHT;
             self.toolbar.frame = toolbarFrame;
         }
-        
+
         if ([toolbarPosition isEqualToString:kInAppBrowserToolbarBarPositionTop]) {
             toolbarFrame.origin.y = 0;
             webViewBounds.origin.y += toolbarFrame.size.height;
@@ -691,7 +691,7 @@
             toolbarFrame.origin.y = (webViewBounds.size.height + LOCATIONBAR_HEIGHT);
         }
         [self setWebViewFrame:webViewBounds];
-        
+
     } else {
         self.toolbar.hidden = YES;
 
@@ -725,7 +725,7 @@
     [CDVUserAgentUtil releaseLock:&_userAgentLockToken];
     [super viewDidUnload];
 }
-    
+
 - (UIStatusBarStyle)preferredStatusBarStyle
 {
     return UIStatusBarStyleDefault;
@@ -735,7 +735,7 @@
 {
     [CDVUserAgentUtil releaseLock:&_userAgentLockToken];
     self.currentURL = nil;
-    
+
     if ((self.navigationDelegate != nil) && [self.navigationDelegate respondsToSelector:@selector(browserExit)]) {
         [self.navigationDelegate browserExit];
     }
@@ -774,14 +774,14 @@
 {
     [self.webView goForward];
 }
-    
+
 - (void)viewWillAppear:(BOOL)animated
 {
     if (IsAtLeastiOSVersion(@"7.0")) {
         [[UIApplication sharedApplication] setStatusBarStyle:[self preferredStatusBarStyle]];
     }
     [self rePositionViews];
-    
+
     [super viewWillAppear:animated];
 }
 
@@ -982,7 +982,7 @@
     if ((self.orientationDelegate != nil) && [self.orientationDelegate respondsToSelector:@selector(supportedInterfaceOrientations)]) {
         return [self.orientationDelegate supportedInterfaceOrientations];
     }
-    
+
     return 1 << UIInterfaceOrientationPortrait;
 }
 
@@ -991,9 +991,10 @@
     if ((self.orientationDelegate != nil) && [self.orientationDelegate respondsToSelector:@selector(shouldAutorotateToInterfaceOrientation:)]) {
         return [self.orientationDelegate shouldAutorotateToInterfaceOrientation:interfaceOrientation];
     }
-    
+
     return YES;
 }
 
 
 @end
+