Refresh resources when deleting an event also.
All refreshResources to take the full event hash.

Needed for when we are refreshing due to a *new* event being saved,
since it won't yet be in the ecache.
Fix refreshing resources when adding a new event.
Fix refreshing resources for multiday events.

This fixes cases such as drag/dropping the event, but grabbing it
from an event bubble other than the first one of a multi-day event.