Adding in a new message data model and the corresponding methods to in the API.

static/js/directives/quay-message-bar.js

@@ -11,6 +11,7 @@ angular.module('quay').directive('quayMessageBar', function () {
     scope: {},
     controller: function ($scope, $element, ApiService) {
       $scope.messages = [];
+      ApiService.getMessages().then(function(data){ $scope.messages = data['messages'] || []; });
     }
   };
 });