-Got to 100% test on fields controller.
-Added more integration testing for visualizations.
-Fixed up some bad code in fields.
Merge branch 'master' of github.com:isenseDev/rSENSE into mm1108
Merge branch 'master' of github.com:isenseDev/rSENSE into mm1108
Merge pull request #1132 from mmcguinn/mm1108

More tests (mostly fields)