vartree fix
tweaking vartree test
more tweaks to VariableTree stuff
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into vtree
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into vtree
removed a temporary 'pass' statement
Let users delete multiple files from the file tree
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into dev
tweaking variabletree
fixed typo
Merge pull request #1380 from naylor-b/vtree

Fixed behavior of iotype in nested VariableTrees and added a couple of tests
final cleanup of code after adding ability to delete multiple files
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into dev
Merge pull request #1381 from setowns1/bug

Fix installer for installing in virtualenv and correct search for mingw.
Merge pull request #1382 from hschilling/P44474497-multiple-file-remove

P44474497 multiple file remove
Fix get_attributes for input array element connections.
Merge branch 'dev' of github.com:OpenMDAO/OpenMDAO-Framework into bug