Oh, we need to activate validation for the end fields... 8-/
Patched bootstrap-timepicker: Integrated Pull Request #115 (https://github.com/jdewit/bootstrap-timepicker/pull/115)
Now we can proceed from 23:xx to 00:xx by using the arrow-up key.
Small rearrangements.
We need to directly update the timepicker model!
We need to directly update the datepicker model as well.