Theme styles added and useless files rm

src/app/app.service.ts

@@ -1,39 +0,0 @@
-import {Injectable} from 'angular2/core';
-import {HmrState} from 'angular2-hmr';
-
-@Injectable()
-export class AppState {
-  // HmrState uis used by HMR to track the any state during reloading
-  @HmrState() _state = {};
-
-  constructor() {
-
-  }
-
-  // already return a clone of the current state
-  get state() {
-    return this._state = this._clone(this._state);
-  }
-  // never allow mutation
-  set state(value) {
-    throw new Error('do not mutate the `.state` directly');
-  }
-
-
-  get(prop?: any) {
-    // use our state getter for the clone
-    const state = this.state;
-    return state[prop] || state;
-  }
-
-  set(prop: string, value: any) {
-    // internally mutate our state
-    return this._state[prop] = value;
-  }
-
-
-  _clone(object) {
-    // simple object clone
-    return JSON.parse(JSON.stringify( object ));
-  }
-}