fix form directive name

src/popup/app/directives/bit-form.directive.ts

@@ -1,6 +1,6 @@
 import { ValidationService } from '../services/validation.service';
 
-export function FormDirective($rootScope: ng.IRootScopeService, validationService: ValidationService) {
+export function BitFormDirective($rootScope: ng.IRootScopeService, validationService: ValidationService) {
     return {
         require: 'form',
         restrict: 'A',

src/popup/app/directives/directives.module.ts

@@ -1,7 +1,7 @@
 import * as angular from 'angular';
 
+import { BitFormDirective } from './bit-form.directive';
 import { FallbackSrcDirective } from './fallback-src.directive';
-import { FormDirective } from './form.directive';
 import { StopClickDirective } from './stop-click.directive';
 import { StopPropDirective } from './stop-prop.directive';
 
@@ -11,6 +11,6 @@ export default angular
     .directive('fallbackSrc', FallbackSrcDirective)
     .directive('stopClick', StopClickDirective)
     .directive('stopProp', StopPropDirective)
-    .directive('form', FormDirective)
+    .directive('bitForm', BitFormDirective)
 
     .name;