fix event rendering
first implementation of delete event
add feedback for event deletion
fix bug in update event function
refactor past events class
refactor update and delete event methods to show server feedback
refactor create event method
refactor calendars loading
partial refactor of save calendar function
refactor update calendar
refactor settings loading
Merge branch 'totb' into va
refactor get events
call revert function when event update fails
change site title
success and error callbacks for even drag and event resize
Merge branch 'totb' into va