FIX action btn + loading indicator

.doBulkActionButton btn doesn't trigger cms actions and now has loading
indicator

css/GridFieldBulkManager.css

@@ -30,6 +30,11 @@
 	vertical-align: top;
 }
 
+.doBulkActionButton.loading .ui-icon
+{
+	background: transparent url(../../framework/images/network-save.gif) no-repeat 0 0;
+}
+
 .cms table.ss-gridfield-table tbody td a.tempDisabledEditLink
 {
   background: url('../../framework/admin/images/btn-icon/document--pencil.png') no-repeat 2px 0px;

javascript/GridFieldBulkManager.js

@@ -112,6 +112,8 @@
 						cacheBuster = new Date().getTime()
 						;
 
+				$btn.addClass('loading');
+
 				if ( ids.length <= 0 )
 				{
 					alert( ss.i18n._t('GridFieldBulkTools.BULKACTION_EMPTY_SELECT') );
@@ -130,6 +132,7 @@
 						context: $(this)
 					}).done(function() {
             $(this).parents('.ss-gridfield').entwine('.').entwine('ss').reload();
+            $btn.removeClass('loading');
 					});
 				}
 				else{

templates/BulkManagerButtons.ss

@@ -2,7 +2,7 @@
 	<th class="extra bulkmanagerheading" colspan="$Colspan">
 		
 		$Menu
-		<a data-url="$Button.DataURL" data-config="$Button.DataConfig" class="doBulkActionButton action ss-ui-button cms-panel-link" data-icon="$Button.Icon">
+		<a data-url="$Button.DataURL" data-config="$Button.DataConfig" class="doBulkActionButton ss-ui-button" data-icon="$Button.Icon">
 			$Button.Label
 		</a>