undo button for skins and themes

public/src/admin/appearance/themes.js

@@ -40,7 +40,7 @@ define('admin/appearance/themes', function() {
 		});
 
 		$('#revert_theme').on('click', function() {
-			bootbox.confirm('Are you sure you wish to remove the custom theme and restore the NodeBB default theme?', function(confirm) {
+			bootbox.confirm('Are you sure you wish to restore the default NodeBB theme?', function(confirm) {
 				if (confirm) {
 					socket.emit('admin.themes.set', {
 						type: 'local',

src/views/admin/appearance/skins.tpl

@@ -2,15 +2,11 @@
 	<div class="directory row" id="bootstrap_themes">
 		<i class="fa fa-refresh fa-spin"></i> Loading Themes
 	</div>
-</div>
 
-<div class="col-lg-3 acp-sidebar">
-	<div class="panel panel-default">
-		<div class="panel-heading">Revert to Default</div>
-		<div class="panel-body">
-			<p>This will remove any custom Bootswatch skin applied to your NodeBB, and restore the base theme.</p>
-			<button class="btn btn-warning btn-md" id="revert_theme">Revert to Default</button>
-		</div>
+	<div data-type="bootswatch" data-theme="" data-css="">
+		<button data-action="use" class="floating-button mdl-button mdl-js-button mdl-button--fab mdl-js-ripple-effect mdl-button--colored">
+			<i class="material-icons">undo</i>
+		</button>
 	</div>
 </div>
 

src/views/admin/appearance/themes.tpl

@@ -2,4 +2,8 @@
 	<div class="directory row" id="installed_themes">
 		<i class="fa fa-refresh fa-spin"></i> Checking for installed themes...
 	</div>
-</div>
+</div>
+
+<button id="revert_theme" class="floating-button mdl-button mdl-js-button mdl-button--fab mdl-js-ripple-effect mdl-button--colored">
+	<i class="material-icons">undo</i>
+</button>

src/views/admin/partials/theme_list.tpl

@@ -22,14 +22,4 @@
 		</div>
 	</div>
 </div>
-<!-- END themes -->
-
-<!-- IF showRevert -->
-<li data-type="bootswatch" data-theme="" data-css="">
-	<div class="pull-right">
-		<button class="btn btn-primary pull-right" data-action="use">Revert</button>
-	</div>
-	<h4>No Skin</h4>
-	<p>Remove applied skin and revert back to the base colours</p>
-</li>
-<!-- ENDIF showRevert -->
+<!-- END themes -->