Introduced ansible-rsync to core.
Fixed identity key logic.
Straighten out local-remote-delegate logic in rsync action module. Force set delegate to local if one is not defined.
Implemented setup method in rsync action module.
Merge branch 'ansible-rsync-take2' of git://github.com/tima/ansible into rsynctake2
Style/docs cleanup, and also improve an error message.
Update changelog
Add missing version_added to docs.
Merge branch 'rsynctake2' into devel

Conflicts:
	CHANGELOG.md