Adding initial OS X 10.10 Yosemite Support.
Merge branch 'master' of https://github.com/macoslib/macoslib into Yosemite
Merge branch 'master' of https://github.com/macoslib/macoslib into Yosemite
Merge branch 'master' of https://github.com/macoslib/macoslib into Yosemite
Merge branch 'master' of https://github.com/macoslib/macoslib into Yosemite
Merge branch 'master' of https://github.com/macoslib/macoslib into Yosemite
Only enable Yosemite features on Yosemite.
Merge branch 'Yosemite'

* Yosemite:
  Only enable Yosemite features on Yosemite.
  Adding initial OS X 10.10 Yosemite Support.

Conflicts:
	About.rbbas