Hide right border for the active tab in nav bar

Error introduced by my previous patch to fix the small gap in the
nav sidebar (https://review.openstack.org/#/c/126642/).

Change-Id: I81bd8bbeec97946d0d3d977e3ecfa27fe21b7546
'Delete Volume Types' button typo

Change-Id: Ib2bd480ece327ca7db8d0e74d76ddd2cb9df4cd6
Closes-Bug: #1379589
Imported Translations from Transifex

Change-Id: I1be1e55c3901353f88df53f705f7b530f4b19cbf
Merge "'Delete Volume Types' button typo"
Merge "Hide right border for the active tab in nav bar"