Some 'Create' buttons missing '+' icon

Small bug after https://review.openstack.org/#/c/107042/ was merged.

Image Custom Properties
Volumes Extra Specs
Admin > Projects

Closes-Bug: #1349606
Change-Id: I023b10be4f409d311c30f616b2bf24432af9551c
Imported Translations from Transifex

Change-Id: I088e3dc6a1e3c74b8e4ccfc4ebc8f7a3b64a8d35
Merge "Some 'Create' buttons missing '+' icon"
Merge "Imported Translations from Transifex"