[IMP] log acl warning before deciding if we should raise an exception to help in debugging.
[FIX] Do not attach any event when calendar is passed the 'readonly' option, effectively creating a readonly calendar. This commit also fixes duplicate create event forms when drag event is fired.
[IMP] sort sidebar labels.
[IMP] Do not prepend 'date_start' value to event bar text. It is more consistent that way.
[FIX] remove default new event string.
[IMP] do not show weekday, set default time to 00:00:00.
[IMP] on timepicker closing, do not trigger select event handler
[IMP] time is insignificant.

Set both start and end date time to 0 hour/min/sec
[IMP] add html input readonly support
[IMP] time is insignificant.
[IMP] add html input readonly support