U4-5101: Localize Grid property editor

src/Umbraco.Web.UI.Client/src/views/propertyeditors/grid/dialogs/additem.html

@@ -1,7 +1,6 @@
 <div class="cell-tools-menu"
     ng-style="overlayMenu.style"
     delayed-mouseleave="closeItemOverlay()">
-
      <h5><localize key="grid_insertControl" /></h5>
 
      <ul class="elements">

src/Umbraco.Web.UI.Client/src/views/propertyeditors/grid/editors/embed.html

@@ -2,7 +2,7 @@
 
 	<div class="usky-editor-placeholder" ng-click="setEmbed()" ng-if="control.value === null">
 		<i class="icon icon-movie-alt"></i>
-		<div class="help-text">Click to embed</div>
+		<div class="help-text"><localize key="grid_clickToEmbed">Click to embed</localize></div>
 	</div>
 
 	<div ng-if="control.value" ng-bind-html-unsafe="control.value"></div>

src/Umbraco.Web.UI.Client/src/views/propertyeditors/grid/editors/media.html

@@ -2,7 +2,7 @@
 
 	<div class="usky-editor-placeholder" ng-click="setImage()" ng-if="control.value === null">
 		<i class="icon icon-picture"></i>
-		<div ng-id="!control.$inserted" class="help-text">Click to insert image</div>
+        <div ng-id="!control.$inserted" class="help-text"><localize key="grid_clickToInsertImage">Click to insert image</localize></div>
 	</div>
 
 	<div ng-if="control.value">
@@ -11,6 +11,6 @@
 			ng-click="setImage()"
 			ng-src="{{url}}"
 			class="fullSizeImage" />
-		<input type="text" class="caption" ng-model="control.value.caption" placeholder="Image caption..."/>
+        <input type="text" class="caption" ng-model="control.value.caption" localize="placeholder" placeholder="@grid_placeholderImageCaption" />
  	</div>
 </div>

src/Umbraco.Web.UI.Client/src/views/propertyeditors/grid/editors/textstring.html

@@ -5,5 +5,5 @@
 		umb-auto-focus
 		class="textstring input-block-level" id="{{control.uniqueId}}_text"
 		ng-model="control.value"
-		ng-attr-style="{{control.editor.config.style}}" placeholder="Write here..."></textarea>
+		ng-attr-style="{{control.editor.config.style}}" localize="placeholder" placeholder="@grid_placeholderWriteHere"></textarea>
 </div>

src/Umbraco.Web.UI.Client/src/views/propertyeditors/grid/grid.html

@@ -234,7 +234,6 @@
 
                         </div> <!-- .templates-preview-rows -->
 
-
                         <p>
                             <span class="help-text"><localize key="grid_addRows" /></span>
                         </p>