fix(generate): use canonical paths for template and style URLs

Close angular#1840

Author: Brocco

addon/ng2/blueprints/component/files/__path__/__name__.component.ts

@@ -7,9 +7,9 @@ import { Component, OnInit } from '@angular/core';
       <%= dasherizedModuleName %> Works!
     </p>
   `,<% } else { %>
-  templateUrl: '<%= dasherizedModuleName %>.component.html',<% } if(inlineStyle) { %>
+  templateUrl: './<%= dasherizedModuleName %>.component.html',<% } if(inlineStyle) { %>
   styles: []<% } else { %>
-  styleUrls: ['<%= dasherizedModuleName %>.component.<%= styleExt %>']<% } %>
+  styleUrls: ['./<%= dasherizedModuleName %>.component.<%= styleExt %>']<% } %>
 })
 export class <%= classifiedModuleName %>Component implements OnInit {
 

addon/ng2/blueprints/ng2/files/__path__/app/app.component.ts

@@ -9,8 +9,8 @@ import { APP_SHELL_DIRECTIVES } from '@angular/app-shell';<% } %>
   </h1>
   `,
   styles: [],
-  directives: [APP_SHELL_DIRECTIVES]<% } else { %>templateUrl: 'app.component.html',
-  styleUrls: ['app.component.<%= styleExt %>']<% } %>
+  directives: [APP_SHELL_DIRECTIVES]<% } else { %>templateUrl: './app.component.html',
+  styleUrls: ['./app.component.<%= styleExt %>']<% } %>
 })
 export class AppComponent {
   title = 'app works!';