Merge pull request #1356 from setowns1/bug

Fixed drag-n-drop bug
making libpath scanning faster
Merge branch 'libpath' of github.com:naylor-b/OpenMDAO-Framework into libpath
small fix
removed unused import
tweaking
Merge pull request #1357 from naylor-b/libpath

making activation of the environment a little quicker
GUI test tweak
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug