Issue #2137273: Fallback when there is a booking without name.

If for some reason a booking name gets empty, this fix avoids leaving a
whole date range empty in the availability calendar.
Merge pull request #32 from peterlozano/issue-2137273

Issue #2137273: Fallback when there is a booking without name.
Issue #2137273: Really fix the issue :|
Merge pull request #33 from BluesparkLabs/issue-2137273

Issue #2137273: Really fix the issue :|
ROOMS-140: Improve Rooms Unit edit form default styles.
ROOMS-140: Fix current search info box.
ROOMS-140: Fix fieldset legend on current search info block.
ROOMS-140: Fix room options whitespace on unit create/edit form.