add feature to allow events to be deleted
update demo to show use of event delete options
minor code optimization
fixed wrong adaption of endDate of multiday-events
Merge pull request #91 from robotdan/master

Enable 4 tests in 'Default Options' test, and convert tests to use deepCopy over same.
Merge pull request #94 from dittodhole/master

minor code optimization & fixed wrong adaption of endDate of multiday-events
Allow preventing event creation in beforeEventNew
Merge pull request #99 from nnarhinen/patch-1

Allow preventing event creation in beforeEventNew
Merge pull request #80 from shakerlxxv/master

Add event delete feature
 Mouseover events did not always trigger
Fix: bug when trying to update a freebusy which was not represented in the calendar (no visible placeholder)
eventResize call reorder
Ghost event when dropping
Merge pull request #128 from sucotronic/master

fixes issues #124 and #125
Merge pull request #110 from jdarwood007/master

Mouseover events did not always trigger
Fix: Regression: Undefined calEvent Error on Drag and Drop (closes #130)
Revert "Ghost event when dropping"

This reverts commit 6d0ee9cfb4c9de1ae6dc2e901adfea9a9c8ba1cb.
Merge branch 'fix-issue-130'
Added showHeader option to completely disable header (including buttons)
Fix: some performance improvements for event delegation