porting 7.6-rc1 into 8

src/Umbraco.Web.UI.Client/bower.json

@@ -26,9 +26,10 @@
     "jquery-migrate": "1.4.0",
     "angular-dynamic-locale": "0.1.28",
     "ng-file-upload": "~7.3.8",
-    "tinymce": "~4.1.10",
+    "tinymce": "~4.5.3",
     "codemirror": "~5.3.0",
     "angular-local-storage": "~0.2.3",
-    "moment": "~2.10.3"
+    "moment": "~2.10.3",
+    "ace-builds": "^1.2.3"
   }
 }