basic WebDAV test in place now
Execute the post setup check after finishing the setup
show webdav test results in admin section as well
Merge branch 'master' into fixing-1354-master

Conflicts:
	settings/admin.php
	settings/templates/admin.php
in case curl is not present we cannot test
Merge pull request #1481 from owncloud/fixing-1354-master

basic WebDAV test in place now