Fix internationalization for some LOG messages

Fixes a couple of LOG messages to support internationalisation

Change-Id: Ifba6beb6a33e3969522776114a69def9eaa5262b
Add missing tests for nova.db.api.quota_* methods

blueprint db-api-tests

Change-Id: I2ecbe7ee30359fa9394869503d363beab105675d
Merge "Add missing tests for nova.db.api.quota_* methods"
Merge "Fix internationalization for some LOG messages"
Merge remote-tracking branch 'm_src_repo/citrix-fixes' into build-temp