Editor: Prevent accessing scimoz after a koDoc no longer has any ._views in a background method
http://bugs.activestate.com/show_bug.cgi?id=102138
r=marky

(integrated from komodo (trunk) change 83672 by ericp)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@14184 b87d16e7-d29f-4ee1-b5ec-817d645d335f