fix(decorators): changes to match angular style guide

tooling/generators/component/component.tmpl.ts

@@ -11,6 +11,9 @@ import {Component} from '@angular/core';
   templateUrl: 'build/<%= directory %>/<%= fileName %>/<%= fileName %>.html'
 })
 export class <%= jsClassName %> {
+
+  text: string;
+
   constructor() {
     this.text = 'Hello World';
   }

tooling/generators/page/page.tmpl.ts

@@ -11,5 +11,5 @@ import {NavController} from 'ionic-angular';
   templateUrl: 'build/<%= directory %>/<%= fileName %>/<%= fileName %>.html',
 })
 export class <%= jsClassName %> {
-  constructor(public nav: NavController) {}
+  constructor(private nav: NavController) {}
 }

tooling/generators/provider/provider.tmpl.ts

@@ -10,9 +10,11 @@ import 'rxjs/add/operator/map';
 */
 @Injectable()
 export class <%= jsClassName %> {
-  data: any = null;
+  data: any;
 
-  constructor(public http: Http) {}
+  constructor(private http: Http) {
+    this.data = null;
+  }
 
   load() {
     if (this.data) {

tooling/generators/tabs/tabs.tmpl.ts

@@ -8,7 +8,7 @@ import {NavController} from 'ionic-angular';
 })
 export class <%= jsClassName %> {
 
-  constructor(public nav: NavController) {
+  constructor(private nav: NavController) {
     // set the root pages for each tab
     <% _.forEach(tabs, function(tab, i) { %>this.tab<%= ++i %>Root = <%= tab.jsClassName %>;
     <% }); %>