fixed bug in auto_test that prevented it from detecting updates on scipy_snapshot added a check to see it the environment DISPLAY variable was set before running the xinfo stuff in xplt.  It was causing errors on telnet sessions that didn't have a display present.
fixed bug in auto_test that prevented it from detecting updates on scipy_snapshot
added a check to see it the environment DISPLAY variable was set before running
the xinfo stuff in xplt.  It was causing errors on telnet sessions that didn't
have a display present.


git-svn-id: 003f22d385e25de9cff933a5ea4efd77cb5e7b28@525 d6536bca-fef9-0310-8506-e4c0a848fbcf

lesserwhirls/scipy-cwt,scipy/scipy-svn,scipy/scipy-svn,jasonmccampbell/scipy-refactor,lesserwhirls/scipy-cwt,lesserwhirls/scipy-cwt,lesserwhirls/scipy-cwt,jasonmccampbell/scipy-refactor,jasonmccampbell/scipy-refactor,scipy/scipy-svn,jasonmccampbell/scipy-refactor,scipy/scipy-svn