ENYO-3681: next is no longer optional
ENYO-3681: clarified event names between HermesFileTree and Ares
ENYO-3681: explicitely removeTab in forgetDoc...

... this worked when Tab were closed from the 'x' in tabs because removeTab
was performed by inEvent.next. But this did not work when close request
came from file menu. Now the removal is explicit and always done in forgetDoc.
inEvent.next() is no longer used.
ENYO-3681: open renamed file immediately
Merge pull request #726 from enyojs/ENYO-3681

ENYO-3681: fixed broken rename