Add bash completion for wlsuhelper

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2886 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
Fix wlssuhelper help output

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2887 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
wlsuhelper: change permissions of the fallback XDG_RUNTIME_DIR to 700

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2888 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9
Fix up launchers to have return codes, and remove test line from wlsuhelper

git-svn-id: https://rebeccablackos.svn.sourceforge.net/svnroot/rebeccablackos@2889 56e3d1a8-0179-4092-b3e2-9fbbcda0c0a9