provide usage hint on addon settings page to save each panel before opening another. [String change, not for 3.2]

Zotlabs/Module/Settings/Featured.php

@@ -62,6 +62,7 @@ class Featured {
 		$o .= replace_macros($tpl, array(
 			'$form_security_token' => get_form_security_token("settings_featured"),
 			'$title'	=> t('Feature/Addon Settings'),
+			'$descrip'  => t('Please save/submit changes to any panel before opening another.'),
 			'$settings_addons' => $settings_addons
 		));
 		return $o;

view/tpl/settings_addons.tpl

@@ -1,5 +1,6 @@
 <div class="generic-content-wrapper">
 	<div class="section-title-wrapper">
+		<div class="descriptive-text pull-right">{{$descrip}}</div>
 		<h2>{{$title}}</h2>
 	</div>
 	<form action="settings/featured" method="post" autocomplete="off">