** Removed requirement that avatar request should be performed only by
members of the events from IllusionEventAvatarServlet
** Fixed bug that prevented cleaning of event times
** Changed Illusion event start date to be mandatory
** Added support for listing past events into IllusionEventController
** Changed Illusion index view to list upcoming and past events not
regarding whether user is logged in or not
** Fixed Illusion event create tests to work with required start date
** Added smoke tests for Illusion index view