Add tentative Tizen implementation.

plugin.xml

@@ -80,4 +80,9 @@
         </js-module>
     </platform>
 
+    <!-- tizen -->
+    <platform name="tizen">
+        <js-module src="www/tizen/SplashScreenProxy.js" name="SplashScreenProxy">
+        </js-module>
+    </platfom>
 </plugin>

src/tizen/SplashScreenProxy.js

@@ -0,0 +1,14 @@
+var exec = require('cordova/exec');
+
+module.exports = {
+    splashscreen: {
+        show = function() {
+            exec(null, null, "SplashScreen", "show", []);
+        },
+        hide = function() {
+            exec(null, null, "SplashScreen", "hide", []);
+        }
+    }
+};
+
+require("cordova/tizen/commandProxy").add("SplashScreen", module.exports);