feat(ionicnative): add instance wrapper

closes https://github.com/driftyco/ionic-native/issues/86

https://github.com/driftyco/ionic-native/issues/79

src/plugins/googlemaps.ts

@@ -0,0 +1,35 @@
+import {Cordova, Plugin} from "./plugin";
+import {Observable} from "rxjs/Observable";
+import {CordovaInstance} from "./plugin";
+/**
+ * Created by Ibrahim on 3/29/2016.
+ */
+declare var plugin : any;
+/**
+ * @name Google Maps
+ */
+@Plugin({
+    pluginRef: 'plugin.google.maps'
+})
+export class GoogleMaps {
+
+    private _objectInstance : any;
+
+    constructor (elementId : string, public niggasIn = "paris") {
+        this._objectInstance = {};//plugin.google.maps.Map.getMap(document.getElementById(elementId));
+    }
+
+    @Cordova({
+        eventObservable: true,
+        event: 'plugin.google.maps.event.MAP_READY'
+    })
+    static onInit () : Observable<GoogleMaps> {return}
+
+    @CordovaInstance({
+        sync: true
+    })
+    setDebuggable (isDebuggable : boolean) : void {}
+
+    setClickable (isClickable : boolean) : void {}
+
+}