Deleted unused IncludeMe.tpl
Properly show nested equipment in room details
Add missing condition for assistance option
Make max days in advance optional
Add missing days-first arg for nonbookable dates
Restrict list of rooms in shortcut booking search

- my (pre)bookings: only rooms that have matching bookings on at least
  one day
- (pre)bookings in my rooms: only rooms owned by you

This is the behaviour that's currently in production.
Remove duplicated js file
Validate reservation on creation time

* Avoids creating reservations with no valid occurrences
* The form is now sent via ajax
* Alert dialog popups on failure