setup too: new function "Clear cache and register hooks", also called automatic when restoring a backup

setup/applications.php

@@ -232,6 +232,8 @@ else
 
 if(@get_var('hooks', Array('GET')))
 {
+	egw_cache::flush(egw_cache::INSTANCE);
+
 	// Find & register all application hooks
 	foreach($setup_info as $appname => $info)
 	{

setup/inc/class.setup_html.inc.php

@@ -135,7 +135,7 @@ class setup_html
 		{
 			$btn_logout = '<a href="index.php?FormLogout=' . $logoutfrom . '" class="link">' . lang('Logout').'</a>';
 			$check_install = '<a class="textsidebox" href="check_install.php">'.lang('Check installation').'</a>';
-			$register_hooks = '<a class="textsidebox" href="applications.php?hooks=1">'.lang('Find and Register all Application Hooks').'</a>';
+			$register_hooks = '<a class="textsidebox" href="applications.php?hooks=1">'.lang('Clear cache and register hooks').'</a>';
 		}
 
 		$GLOBALS['setup_tpl']->set_var('lang_setup', lang('setup'));

setup/lang/egw_de.lang

@@ -151,6 +151,7 @@ checking php.ini	setup	de	Überprüfe die php.ini Datei
 checking required php version %1 (recommended %2)	setup	de	Überprüfe benötigte PHP Version %1 (empfohlen %2)
 checking the egroupware installation	setup	de	Überprüfe die EGroupware-Installation
 checks egroupware's installed, it's versions and necessary upgrads (return values see --exit-codes)	setup	de	Überprüft ob EGroupware installiert ist, die Version und notwendige Aktualisierungen (Rückgabewerte siehe --exit-codes)
+clear cache and register hooks	setup	de	Cache löschen und Hooks registrieren
 click <a href="index.php">here</a> to return to setup.	setup	de	<a href="index.php">Hier klicken</a> um zu Setup zurück zu kehren.
 click here	setup	de	Hier klicken
 click here to re-run the installation tests	setup	de	zum Wiederholen der Installationstests hier klicken
@@ -294,7 +295,6 @@ file uploads are switched off: you can not use any of the filemanagers, nor can
 filename	setup	de	Dateiname
 filesystem	setup	de	Dateisystem
 filesystem (default)	setup	de	Dateisystem (Vorgabe)
-find and register all application hooks	setup	de	Suchen und registrieren der "Hooks" aller Anwendungen
 force selectbox	setup	de	Auswahl erzwingen
 give admin access to all installed apps	setup	de	Admin Zugang zu allen installierten Anwendungen geben
 gives further options	setup	de	gibt zusätzliche Optionen

setup/lang/egw_en.lang

@@ -151,6 +151,7 @@ checking php.ini	setup	en	Checking php.ini
 checking required php version %1 (recommended %2)	setup	en	Checking required PHP version %1 (recommended %2)
 checking the egroupware installation	setup	en	Checking the eGroupWare Installation
 checks egroupware's installed, it's versions and necessary upgrads (return values see --exit-codes)	setup	en	Checks EGroupware, it's versions and necessary upgrades (return values see --exit-codes)
+clear cache and register hooks	setup	en	Clear cache and register hooks
 click <a href="index.php">here</a> to return to setup.	setup	en	Click <a href="index.php">here</a> to return to setup.
 click here	setup	en	Click here
 click here to re-run the installation tests	setup	en	Click here to re-run the installation tests
@@ -294,7 +295,6 @@ file uploads are switched off: you can not use any of the filemanagers, nor can
 filename	setup	en	File name
 filesystem	setup	en	File system
 filesystem (default)	setup	en	File system (default)
-find and register all application hooks	setup	en	Find and register all application hooks
 force selectbox	setup	en	Force select box
 give admin access to all installed apps	setup	en	Give admin access to all installed apps
 gives further options	setup	en	Gives further options