.htaccess base.php authentification fix & comment begin/end 

.htaccess & lib/base.php: authentification fix (Lightning CalDAV etc.)
https://github.com/owncloud/core/issues/1364
http://forum.owncloud.org/viewtopic.php?f=3&t=1894

.htaccess OC comment 
https://github.com/owncloud/apps/issues/490