bump factory_girl to 4.4
Bump 2-2-stable to upcoming 2.2.1
Revert "Bump 2-2-stable to upcoming 2.2.1"

This reverts commit f842bba6f0fc7c3804b915d28d009930c46a50c2.

Stable branch should not bump version at all until it is released.
Bump to 2.2.1.beta