ENH: We add the .mayavi2 directory to sys.path only if there is a user_mayavi module in there.  In addition we do a simple import anyway so users get error reports.
ENH: We add the .mayavi2 directory to sys.path only if there is a
user_mayavi module in there.  In addition we do a simple import anyway
so users get error reports.


dmsurti/mayavi,alexandreleroux/mayavi,liulion/mayavi,liulion/mayavi,dmsurti/mayavi,alexandreleroux/mayavi