fixes some translation issues and enter key

ajax/personal.php

@@ -15,13 +15,15 @@ namespace OCA\Documents;
 \OCP\JSON::callCheck();
 \OCP\JSON::checkLoggedIn();
 
+$l = \OC_L10N::get('documents');
+
 $savePath = isset($_POST['savePath']) ? $_POST['savePath'] : null;
 if (!is_null($savePath)){
 	if (\OC\Files\Filesystem::file_exists($savePath) ===false ){
 		if(!\OC\Files\Filesystem::mkdir($savePath)){
 			\OCP\JSON::error(
 				array(
-					'data' => array('message'=>'')
+					'data' => array('message'=> $l->t('An error occurred while changing directory.'))
 				)
 			);
 		}
@@ -29,10 +31,10 @@ if (!is_null($savePath)){
 	\OCP\Config::setUserValue(\OCP\User::getUser(), 'documents', 'save_path', $savePath);
 	\OCP\JSON::success(
 		array(
-			'data' => array('message'=>'')
+			'data' => array('message'=> $l->t('Directory saved successfully.'))
 			)
 	);
 	exit();
 }
 
-exit();
+exit();

js/personal.js

@@ -12,4 +12,10 @@ $(document).ready(function(){
 		}
 	};
 	$('#documents-default-path').blur(documentsSettings.save);
-});
+	$('#documents-default-path').keypress(function( event ) {
+						if (event.which == 13) {
+						  event.preventDefault();
+						  documentsSettings.save();
+						}
+	});
+});

templates/documents.php

@@ -4,7 +4,7 @@
 			<a class="icon-add add svg" target="_blank" href="">
 				<label><?php p($l->t('New document')) ?></label>
 			</a> 
-			<div id="upload" title="<?php p($l->t('Upload') . ' max. '.$_['uploadMaxHumanFilesize']) ?>">
+			<div id="upload" title="<?php p($l->t('Upload (max. %s)', array($_['uploadMaxHumanFilesize']))) ?>">
 				<form data-upload-id="1"
 					  id="data-upload-form"
 					  class="file_upload_form"