Avoid crash on csync_ctx is NULL.
Add a recursiveFolderStatus method
Minor cleanups and changes
More descriptive error message when querying the database without hit.
CSync: Simplify csync_owncloud stat/resource handling
CSync: Remove owncloud_stat

We get already all metadata with the readdir
CSync: Use context instead of global variable
CSync: Remove one VIO layering
CSync: We can access the context directly
CSync: Remove old defines
CSync & Propagator: Support a direct download URL

This is for server file backends that support sending a
direct URL.
CSync: Rename callback functions
CSync: Shorten WebDAV property name
Merge pull request #1839 from owncloud/directDownload

Direct download URL support + global variable refactoring

Reviewed offline by @dragotin
Optimize move

Do not send the mtime for each file without a directory, because the server now keeps it
test fles with '%' and '#'
Merge branch '1.6'
csync: remove the local mode

It is no longer used for a long time
Test: fix compilation
don't look for CMocka if we're not building unit tests