mark 2.0 API as stable

Bug 1135230

Sets the API stability datetime to that of the stable branch

Change-Id: I829462b518c6d94eb5f1a9112fa4b011f8a2c7ed
Merge "mark 2.0 API as stable" into stable/folsom
Bump version to 2012.2.5

Change-Id: Ibf237525fc86d5ba2129620f58d574685a713782
Securely create signing_dir (bug 1174608)

Also verifies the security of an existing signing_dir.

Change-Id: I0685b4274a94ad3974a2b2a7ab3f45830d3934bb
(cherry picked from python-keystoneclient 1736e2ffb12f70eeebed019448bc14def48aa036)
Revoke tokens on user delete (bug 1166670)

Change-Id: I8dacf71b43cffc12439520e05918729e385cb60a
Merge "Revoke tokens on user delete (bug 1166670)" into stable/folsom
Merge remote-tracking branch 'upstream/stable/folsom' into folsom