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
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