fix: Skins: Ensure skin is properly reset when the cache is flushed
http://bugs.activestate.com/show_bug.cgi?id=100367
a=nathanr

(integrated from komodo (trunk) change 81970 by toddw)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13637 b87d16e7-d29f-4ee1-b5ec-817d645d335f