reorganize project folder structure and remove asp.net dependency

src/app/directives/apiFieldDirective.js

@@ -0,0 +1,30 @@
+angular
+    .module('bit.directives')
+
+    .directive('apiField', function () {
+        var linkFn = function (scope, element, attrs, ngModel) {
+            ngModel.$registerApiError = registerApiError;
+            ngModel.$validators.apiValidate = apiValidator;
+
+            function apiValidator() {
+                ngModel.$setValidity('api', true);
+                return true;
+            }
+
+            function registerApiError() {
+                ngModel.$setValidity('api', false);
+            }
+        };
+
+        return {
+            require: 'ngModel',
+            restrict: 'A',
+            compile: function (elem, attrs) {
+                if (!attrs.name || attrs.name === '') {
+                    throw 'api-field element does not have a valid name attribute';
+                }
+
+                return linkFn;
+            }
+        };
+    });