Fixed sizing of scrollable table to be dynamic. Added Appliances,

Theater and Custom devices to HAL interface. Added Select ALL feature
for bulk add screens.

src/main/resources/public/views/system.html

@@ -284,6 +284,7 @@
 		</h1>
 	</div>
 	<div ng-if="visible" class="animate-if" class="panel-body">
+		<p>Control your backups from this area. Use the default name by hitting backup or specify your own.</p>
 		<form class="form-horizontal">
 			<div class="form-group">
 				<label class="col-xs-12 col-sm-2 control-label" for="backup-name">Backup