Code cleanup part #1: move all the services and directive JS code in the app.js file into its own files

static/js/directives/ui/signup-form.js

@@ -0,0 +1,51 @@
+/**
+ * An element which displays the sign up form.
+ */
+angular.module('quay').directive('signupForm', function () {
+  var directiveDefinitionObject = {
+    priority: 0,
+    templateUrl: '/static/directives/signup-form.html',
+    replace: false,
+    transclude: true,
+    restrict: 'C',
+    scope: {
+      'inviteCode': '=inviteCode',
+
+      'userRegistered': '&userRegistered'
+    },
+    controller: function($scope, $location, $timeout, ApiService, KeyService, UserService, Config, UIService) {
+      $('.form-signup').popover();
+
+      $scope.awaitingConfirmation = false;
+      $scope.registering = false;
+
+      $scope.register = function() {
+        UIService.hidePopover('#signupButton');
+        $scope.registering = true;
+
+        if ($scope.inviteCode) {
+          $scope.newUser['invite_code'] = $scope.inviteCode;
+        }
+
+        ApiService.createNewUser($scope.newUser).then(function(resp) {
+          $scope.registering  = false;
+          $scope.awaitingConfirmation = !!resp['awaiting_verification'];
+
+          if (Config.MIXPANEL_KEY) {
+            mixpanel.alias($scope.newUser.username);
+          }
+
+          $scope.userRegistered({'username': $scope.newUser.username});
+
+          if (!$scope.awaitingConfirmation) {
+            document.location = '/';
+          }
+        }, function(result) {
+          $scope.registering  = false;
+          UIService.showFormError('#signupButton', result);
+        });
+      };
+    }
+  };
+  return directiveDefinitionObject;
+});