Final versioning for 2012.2.3

Change-Id: Ic83a1c1617ad74b931f54f1755bc9dcecfe2c527
Bump version to 2012.2.4

Set version to 2012.2.4, but with final=False

Change-Id: I9dab1dc62e41cdb4143a3c8083e65c4b13a22eb4
Fix typo in cinder/db/api.py

The api method quota_destroy_all_by_project() calls the implementation
quota_get_all_by_project()

Change-Id: I11927e1fd29c6248ce755dfd236bf0f9adf39d94
Fixes: bug #1108766
(cherry picked from commit b79e1f485c85cbb16280adc8d590886e25694c87)