codeintel: KoCodeIntelBuffer doesn't have a .baseName, don't use that.
Also, os.path.normpath doesn't actually fix file case on Windows; use normcase
http://bugs.activestate.com/show_bug.cgi?id=100453

(integrated from komodo (trunk) change 82194 by marky)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13703 b87d16e7-d29f-4ee1-b5ec-817d645d335f