CC-4876: Default interface language setting does not appear to affect text or drop-down menu on login page?

-fixed
Merge branch '2.3.x' of dev.sourcefabric.org:airtime into 2.3.x
CC-4878"Send support feedback" button at initial login tries to load "http://showbuilder" and was missing the local host IP.

-fixed
Merge branch '2.3.x' of dev.sourcefabric.org:airtime into 2.3.x
Fix Pypo giving up too early on attempting to receive schedule
Merge branch '2.3.x' of dev.sourcefabric.org:airtime into 2.3.x
Merge branch '2.3.x' into 2.3.x-saas
Merge branch '2.3.x-saas' of dev.sourcefabric.org:airtime into 2.3.x-saas