Support Captions distribution in YouTube sftp connector
Some fixes after initial testing's
Mistake in using this instead of feed
Fix after testing
Fix after test
Added support for addressing the current DC
PLAT-810 #time 10m
Added ordering by version
PLAT-810 #time 10m
Not addressing a non-static method using "self::"
PLAT-810 #time 5m
Code updates
PLAT-810 #time 8h
Fetching the real file path instead of URL in order to have the real captions filename (instead of a hash in the URL)
PLAT-810 #time 8h
Added filesync_filesync to batchClient
PLAT-810 #time 5m
Added Batch proc. permission to filesync_filesync.list
PLAT-810 #time 10m

Conflicts:

	release-notes.md
Merge pull request #972 from kaltura/IX-9.12.0-YouTubeCaptionsHotfix

IX-9.12.0-YouTubeCaptionsHotfix