chore(build): ng2 style guide applied,

- build process updated
- systemjs bundler added

BREAKING CHANGES:
- directives and selectors renamed to ng2FileSelect and ng2FileDrop

components/file-upload/file-drop.directive.spec.ts

@@ -0,0 +1,21 @@
+import {Component} from '@angular/core';
+import {it, inject, beforeEachProviders} from '@angular/core/testing';
+import {ComponentFixture} from '@angular/compiler/testing';
+import {FileUploader} from './file-uploader.class';
+import {FileSelectDirective} from './file-select.directive';
+@Component({
+  selector: 'container',
+  template: `<input type="file" ng2FileSelect [uploader]="uploader" />`,
+  directives: [FileSelectDirective]
+})
+export class ContainerComponent {
+  public uploader:FileUploader = new FileUploader({url: 'localhost:3000'});
+}
+describe('Directive: FileSelectDirective', () => {
+  beforeEachProviders(() => [
+    ContainerComponent
+  ]);
+  it('should be fine', inject([ContainerComponent], (fixture:ComponentFixture<ContainerComponent>) => {
+    expect(fixture).not.toBeNull();
+  }));
+});