shorten wording on config directory errors

lib/base.php

@@ -173,7 +173,7 @@ class OC {
 			and !is_writable(OC::$SERVERROOT . "/config/config.php")) {
 			$defaults = new OC_Defaults();
 			OC_Template::printErrorPage(
-				"Can't write into config directory 'config'",
+				"Can't write into config directory!",
 				'This can usually be fixed by '
 					.'<a href="' . $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions" target="_blank">giving the webserver write access to the config directory</a>.'
 			);
@@ -826,3 +826,4 @@ if (!function_exists('get_temp_dir')) {
 }
 
 OC::init();
+

lib/config.php

@@ -177,7 +177,7 @@ class Config {
 		if (!$result) {
 			$url = $defaults->getDocBaseUrl() . '/server/5.0/admin_manual/installation/installation_source.html#set-the-directory-permissions';
 			throw new HintException(
-				"Can't write into config directory 'config'",
+				"Can't write into config directory!",
 				'This can usually be fixed by '
 					.'<a href="' . $url . '" target="_blank">giving the webserver write access to the config directory</a>.');
 		}
@@ -186,3 +186,4 @@ class Config {
 		\OC_Util::clearOpcodeCache();
 	}
 }
+