Nav submenu font size smaller

The accordian navigation submenu font sizes (13px) are now the same as the parent menu.

Change-Id: I483dcbf12af57cc7b0f389d0c92b8dcd56922ad9
Closes-Bug: #1398929
Imported Translations from Transifex

For more information about this automatic import see:
https://wiki.openstack.org/wiki/Translations/Infrastructure

Change-Id: Ica75da4538406fcc77971a9c32e79d5fbd2af3ee
Merge "Nav submenu font size smaller"
Merge "Imported Translations from Transifex"