ROOMS-498: Remove orphaned rows from rooms_availability table
Issue #2142185 by djevans: Value in Booking Unit Options rounds to whole numbers
Issue #2272441 by msti: Translations
Issue #2154473 by phazerz: Cannot translate options titles
Merge branch '2142185' into 7.x-1.4
Merge branch '2272441' into 7.x-1.4
Issue #2154473 by phazerz: Adding additional explanation of changes.
Merge branch 'ROOMS-505' into 7.x-1.4
Merge branch 'ROOMS-498' into 7.x-1.4