feat(storage): new Local and WebSQL/SQLite key value storage service

ionic/components/app/test/storage/index.ts

@@ -0,0 +1,47 @@
+import {Component} from 'angular2/angular2';
+import {Control, ControlGroup} from 'angular2/forms';
+
+import {App, Http, Storage, LocalStorage, SQLStorage} from 'ionic/ionic';
+
+let testUrl = 'https://ionic-api-tester.herokuapp.com/json';
+let testUrl404 = 'https://ionic-api-tester.herokuapp.com/404';
+
+
+@App({
+  templateUrl: 'main.html'
+})
+class IonicApp {
+  constructor() {
+    this.local = new Storage(LocalStorage);
+    this.sql = new Storage(SQLStorage);
+  }
+  getLocal() {
+    this.local.get('name').then(value => {
+      alert('Your name is: ' + value);
+    });
+  }
+  setLocal() {
+    let name = prompt('Your name?');
+
+    this.local.set('name', name);
+  }
+  removeLocal() {
+    this.local.remove('name');
+  }
+
+  getSql() {
+    this.sql.get('name').then(value => {
+      alert('Your name is: ' + value);
+    }, (errResult) => {
+      console.error('Unable to get item from SQL db:', errResult);
+    });
+  }
+  setSql() {
+    let name = prompt('Your name?');
+
+    this.sql.set('name', name);
+  }
+  removeSql() {
+    this.sql.remove('name');
+  }
+}

ionic/components/app/test/storage/main.html

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+<ion-view>
+  <ion-content padding>
+    <h2>Local Storage</h2>
+    <button primary (click)="getLocal()">Get</button>
+    <button primary (click)="setLocal()">Set</button>
+    <button primary (click)="removeLocal()">Remove</button>
+
+    <h2>SQL Storage</h2>
+    <button primary (click)="getSql()">Get</button>
+    <button primary (click)="setSql()">Set</button>
+    <button primary (click)="removeSql()">Remove</button>
+  </ion-content>
+</ion-view>