[FIX] #839 Editor Annotation still remains even when the file is closed 

Change-Id: I7e394a27774d018d44b4dd9bdd62a84500ce218e
Reviewed-on: http://saros-build.imp.fu-berlin.de/gerrit/1980
Tested-by: Jenkins CI
Reviewed-by: Stefan Rossbach <srossbach@arcor.de>