OBMFULL-3921 All day events is handled by OBM-Sync with Start and End
Dates reset to midnigath.

Conflicts:

	java/sync/icalendar/src/main/java/org/obm/icalendar/Ical4jHelper.java
	java/sync/opush/push-service/src/main/java/org/obm/push/calendar/ObmEventToMSEventConverterImpl.java
OBMFULL-4725 Correct start date (00:00 local time) for all day events
OBMFULL-4725 End of week in month view is 7 days after the start, not 6
OBMFULL-4725 In month view, prevent a non-allday event to be drawn past the end of the week
OBMFULL-4725 Store duration as Nx86400 for allday events.
OBMFULL-4725 Quick event update also store the timezone.
OBMFULL-4725 AllDay events duration and end date is computed correctly
OBMFULL-4725 Updating an event by double click doesn't transform 24Hrs to allday.
OBMFULL-4725 Non allday events ending at 00:00 don't cover that day in month/week view.