got it to use vtkLogRepresentation (thanks @ThomasMaxwell )
trying to get pngs to save logo
got logo to appear and stay both in uvcdat and bg mode
ok bit of code cleanup
more cleanup
Merge branch 'master' into issue_857_logo
turned logo off for ctest so that we can further tweak it at will
Added a test where logo is actually on
turning off logo on these as well
vcsaddons are logoff

CMakeList draw_logo line now correct
Merge branch 'master' into issue_857_logo
turned off logo for test cases
ok merged optimized in this mess
update cmake for vcs which had a missing paren
Update DV3DPlot.py

removed commented out line
Merge pull request #927 from UV-CDAT/issue_857_logo

Issue 857 logo