Fix linter warnings

src/main/webapp/scripts/app/wizardEditor/wizardEditor.html

-<div ng-cloak>
+<div ng-cloa="">
   <div class="row">
     <div class="col-md-12">
       <h2>Wizard Editor</h2>
@@ -80,8 +80,8 @@
             <button type="button" class="btn btn-default btn-block" ui-sref="wizardEditor.newStep" ng-hide="isLoading">Add Step</button>
           </div>
           <div ui-tree="treeOptions" id="tree-root" ng-switch-when="true">
-            <ol ui-tree-nodes ng-model="tree">
-              <li ng-repeat="node in tree" ui-tree-node ng-include="'nodes_renderer.html'"></li>
+            <ol ui-tree-nodes="" ng-model="tree">
+              <li ng-repeat="node in tree" ui-tree-node="" ng-include="'nodes_renderer.html'"></li>
               <!-- <li ng-if="node.treeIndent == 1" ng-repeat="node in tree track by $index" ui-tree-node ng-include="'nodes_renderer.html'"></li> -->
             </ol>
           </div>
@@ -99,24 +99,24 @@
                     <pre class="code">{{ tree | json }}</pre>
             </div> -->
       <!-- /test tree -->
-      <div fg-tabs class="needs-some-more-space" ng-class="{'form-disable' : !selectedStep.name}">
+      <div fg-tabs="" class="needs-some-more-space" ng-class="{'form-disable' : !selectedStep.name}">
         <div class="form-overlay" ng-if="!selectedStep.name"></div>
 
         <div fg-tabs-pane="Schema Editor">
           <form class="form-horizontal" name="meinFormular">
-            <div fg-edit fg-schema="myForm.schema"></div>
+            <div fg-edit="" fg-schema="myForm.schema"></div>
           </form>
         </div>
 
         <div fg-tabs-pane="Form Preview">
-          <form novalidate class="form-horizontal">
+          <form novalidate="" class="form-horizontal">
             <fieldset>
               <legend>
                 <div class="row">
                   <div class="col-sm-offset-3 col-sm-3">{{ selectedStep.name }}</div>
                 </div>
               </legend>
-              <div fg-form fg-schema="myForm.schema"></div>
+              <div fg-form="" fg-schema="myForm.schema"></div>
             </fieldset>
           </form>
         </div>