Revert "Temporarily removing native plugins"

This reverts commit 81d907e8b95eb3286200a5c5ab479bbade56f03b.

ionic/native/geolocation/geolocation.ts

@@ -0,0 +1,46 @@
+import * as Rx from 'rx';
+
+import * as util from 'ionic/util';
+import {NativePlugin} from '../plugin';
+
+@NativePlugin({
+  name: 'Geolocation',
+  platforms: {
+    cordova: 'cordova-plugin-geolocation'
+  }
+})
+export class Geolocation {
+  static getCurrentPosition(options) {
+    return new Promise((resolve, reject) => {
+      navigator.geolocation.getCurrentPosition(function (result) {
+        resolve(result);
+      }, function (err) {
+        reject(err);
+      }, options);
+    });
+  }
+
+  static watchPosition(options) {
+    let watchID;
+
+    let source = Rx.Observable.create((observer) => {
+      watchID = navigator.geolocation.watchPosition(function (result) {
+        observer.onNext(result)
+      }, function(err) {
+        observer.onError(err, observer);
+      }, options);
+    })
+
+    return {
+      source: source,
+      watchID: watchID,
+      clear: () => {
+        navigator.geolocation.clearWatch(watchID);
+      }
+    }
+  }
+
+  static clearWatch(watchID) {
+    return navigator.geolocation.clearWatch(watchID);
+  }
+}