Git commits in Moodle 2.2.7 by Davo Smith

commit a0d9283306d85bc5b3cc8f94a7f4a4962ccca252
Author: Davo Smith <git@davosmith.co.uk>
Date:   Wed, 05 Dec 2012 22:05:24 +0800
Tag:    v2.2.7

MDL-37014 repository_webdav - strip the server URL from file & folder paths returned by webdav lib (if present)

commit 280f51343401213660631714605743d81e97a162
Author: Davo Smith <git@davosmith.co.uk>
Date:   Tue, 13 Nov 2012 00:51:06 +0800
Tag:    v2.2.7

MDL-36538 repository_webdav - save files directly to local filesystem, rather than buffering in memory