Adding support for extra rsync options via rsync.options
Supporting multiple space separated rsync options
Merge branch 'master' of https://github.com/wikimedia/git-fat

Support idiosyncratic workflows such as a custom server-side using
symlinks to an existing layout, where rsync pull needs --copy-links.

* 'master' of https://github.com/wikimedia/git-fat:
  Supporting multiple space separated rsync options
  Adding support for extra rsync options via rsync.options