fix(tagsInput): Added event trigger to tryAdd

Changed tryAdd method to trigger an input-changed event after clearing
the input field so the autocomplete directive can hide the suggestions
box properly.

Closes #26.

src/auto-complete.js

@@ -136,9 +136,6 @@ angular.module('tags-input').directive('autoComplete', function($document, $time
             };
 
             tagsInput
-                .on('tag-added', function() {
-                    suggestionList.reset();
-                })
                 .on('input-changed', function(value) {
                     if (value) {
                         suggestionList.load(value);

src/tags-input.js

@@ -115,6 +115,7 @@ angular.module('tags-input').directive('tagsInput', function(configuration) {
                     }
 
                     $scope.newTag = '';
+                    events.trigger('input-changed', '');
                     changed = true;
                 }
                 return changed;

test/auto-complete.spec.js

@@ -174,17 +174,6 @@ describe('autocomplete-directive', function() {
             expect(isSuggestionsBoxVisible()).toBe(false);
         });
 
-        it('hides the suggestion box when a tag is added', function() {
-            // Arrange
-            suggestionList.show();
-
-            // Act
-            eventHandlers['tag-added']();
-
-            // Assert
-            expect(isSuggestionsBoxVisible()).toBe(false);
-        });
-
         it('adds the selected suggestion to the input field when the enter key is pressed and the suggestions box is visible', function() {
             // Arrange
             loadSuggestions(['Item1', 'Item2']);