Add test for SchedulesController. Upgrade icalendar to 1.5.4
Clear the current_event cache when a new event is created
Merge pull request #32 from jcoyne/schedules_controller_spec

Add test for SchedulesController. Upgrade icalendar to 1.5.4
Merge pull request #33 from jcoyne/reset_cache

Clear the current_event cache when a new event is created