tweak kwin session file a bit. todo: don't hardcode DISPLAY=:99 somehow

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@3050 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
Add more kde integration...

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@3051 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9