Various changes

mobile-friendly ui updates
admin user-edit bugfix
file cleanup
added searchFields
add blog search
remove unused code
add maintenance mode config

app/plugins/messages/views/reply.html

@@ -1,5 +1,5 @@
 <div class="context-main context-main-bg col-8 offset-2 my-3 p-3">
-    <form action="" method="post" class="form-horizontal">
+    <form method="post">
         <legend class="text-center">Reply</legend>
             <fieldset>
             <div class="form-group">