first round of second commits
Made setup.py requrie python 2.7
Work from yesterday, incldues gwu_controller, exepctions, updates to gwu_spec_v4.  Exclused gwu_spec_v3 since donig a total rewrite.  Make sure to add logging and any other files from yesterday
v4
Updated
Changes to controller
updating
more updates to controller
Controller working nicely; now need to actually add plot generation and stuff
added blank requiremnts
Updates to get script working with sweep mode
touchups
updates
updates
updates
Merge pull request #71 from hugadams/2nd_updates

2nd updates