Improved pretty sql logger
Fixed loading room mapper page
Resolving circular import
Fixing room details access
Natural order for ordered room list, missing space
Fix server_tz in format[Date]Time
Fully migrate modify/create room form to new db
Avoid querying attribute values in a loop
Validate 'notification email' attribute as emails
Proper indentation of the room form template
Use proper lists instead of split()
Sort rooms by location and full name when find_all
ReservationOccurrence bulk creation and cleanup
Overlap methods added to ReservationOccurrence
Fixed ReservationOccurrence bulk creation with TZ
Generalized BarList2Dictionary helper

* Created group_list method
* Removed unnecessary class
* Renamed iterators.py
Prevent overlap checks between different rooms
Moved iterdays to indico.util.date_time with rrule
Refactored Bars and removed unncessary methods
Fixed photo_id reference in RoomMiniDetails tpl