compare files: automatically fill in split tab path if approproate (a=hirth@digitop.de r=marky)
http://bugs.activestate.com/show_bug.cgi?id=93034

(integrated from komodo (trunk) change 80288 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13577 b87d16e7-d29f-4ee1-b5ec-817d645d335f