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/markdown-view.js

@@ -0,0 +1,25 @@
+/**
+ * An element which displays its content processed as markdown.
+ */
+angular.module('quay').directive('markdownView', function () {
+  var directiveDefinitionObject = {
+    priority: 0,
+    templateUrl: '/static/directives/markdown-view.html',
+    replace: false,
+    transclude: false,
+    restrict: 'C',
+    scope: {
+      'content': '=content',
+      'firstLineOnly': '=firstLineOnly'
+    },
+    controller: function($scope, $element, $sce, UtilService) {
+      $scope.getMarkedDown = function(content, firstLineOnly) {
+        if (firstLineOnly) {
+          return $sce.trustAsHtml(UtilService.getFirstMarkdownLineAsText(content));
+        }
+        return $sce.trustAsHtml(UtilService.getMarkedDown(content));
+      };
+    }
+  };
+  return directiveDefinitionObject;
+});