Clean jStorage when booking is done
Use the new way to pass vars to a tpl
Fix exception classes
Improve reservation history display
Add reservation modification
Use an ARRAY for edit log entries

Using a ```-separated string is *very* strange and would break when some
change line contained that string. To convert an existing database
without recreating it, use this query:

ALTER TABLE reservation_edit_logs
  ALTER COLUMN info TYPE varchar[] USING string_to_array(info, '```');
Fix typo
Reservation cloning
Reservation actions are now working

* Accept, reject and cancel reservation
* Reject and cancel occurrences
* Actions stored in edit_logs
Set min date for end date datepicker on init