Revert "downgraded to rails 4.1.0.rc1"

This reverts commit 2f0472066c3989b619439a2d95e183e828b65307.
Revert "Downgraded to rails 4.1.0.rc1"

This reverts commit 468fa48bd03757e549762a492a435e3fc7be4a5d.
Revert "Upgraded app to rails 4.1"

This reverts commit 4203c9c0aa8cbf5f7e8c56402d249dec1ccb83c5.