Use Skins instead of Themes

src/views/admin/appearance/skins.tpl

@@ -1,6 +1,6 @@
 <div id="skins" class="row skins">
 	<div class="directory row" id="bootstrap_themes">
-		<i class="fa fa-refresh fa-spin"></i> Loading Themes
+		<i class="fa fa-refresh fa-spin"></i> Loading Skins
 	</div>
 
 	<div data-type="bootswatch" data-theme="" data-css="">
@@ -8,4 +8,4 @@
 			<i class="material-icons">undo</i>
 		</button>
 	</div>
-</div>
+</div>