parse dimensions to configuration of TinyMCE + remove autoresize if height is set.

src/Umbraco.Web.UI.Client/src/views/propertyeditors/rte/rte.controller.js

@@ -41,10 +41,19 @@ angular.module("umbraco")
             $q.all(promises).then(function (result) {
 
                 var standardConfig = result[promises.length - 1];
-
+                
+                var width = parseInt(editorConfig.dimensions.width, 10) || null
+                var height = parseInt(editorConfig.dimensions.height, 10) || null
+                
+                if (height !== null) {
+                    standardConfig.plugins.splice(standardConfig.plugins.indexOf("autoresize"), 1);
+                }
+                
                 //create a baseline Config to extend upon
                 var baseLineConfigObj = {
-                    maxImageSize: editorConfig.maxImageSize
+                    maxImageSize: editorConfig.maxImageSize,
+                    width: width,
+                    height: height
                 };
 
                 angular.extend(baseLineConfigObj, standardConfig);