Syntax checking: When switching to a language where there is no linting, clear the syntax checking status panel.
http://bugs.activestate.com/show_bug.cgi?id=97951
rn=

(integrated from komodo (trunk) change 81681 by ericp)

git-svn-id: http://svn.openkomodo.com/repos/openkomodo/trunk@13553 b87d16e7-d29f-4ee1-b5ec-817d645d335f