Imported Translations from Transifex

Change-Id: I5bcbd94a8df99b5fe3125e1dee45cfceeeb29ac6
Switch to using of oslo.db

oslo.db first stable release has been cut and we can start using it
instead of openstack/common/db/* code which is now marked obsolete.

Change-Id: I1ccf896922a5a762d37a1a3b93c56c8b8ae8c085
Merge "Switch to using of oslo.db"
Merge "Imported Translations from Transifex"