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/views/user_cp/settings.html

@@ -1,9 +1,9 @@
-<div class="container py-4 context-main-bg my-4 text-center">
+<div class="container p-4 context-main-bg mb-4 text-center">
     <h3 class="mb-4">Preferences</h3>
     <hr>
     <div class="row justify-content-center">
         <div class="col-md-6">
-            <form action="" method="post" class="" enctype="multipart/form-data">
+            <form method="post" enctype="multipart/form-data">
                 <fieldset>
                     {PREFERENCES_FORM}
                 </fieldset>