fix datetimepicker
Merge branch 'gui'
merging
Delete service method and accessing properties at jsp were fixed
Basic validaton of new event.
Properties.
Error message was corrected.
Var name fix
fix test
Some code refactoring.
Some changes
Some changes
Edit event
Edit event
add book_tickets
convert to utf-8
Revert "convert to utf-8"

This reverts commit a4c9296337aca23f73542f55692d04b21f4e5239.
Date editing
Date editing
Editing of event