switched to universal filepicker, https://github.com/kobotoolbox/enketo-express/issues/9
do a bower install when building in Travis
make sure side bar overlaps map zoom control, closes #320
minor fixes for preview controller and forms app
Merge pull request #717 from enketo/master

new FilePicker Widget with LoVe from KoBo
Merge pull request #718 from SEL-Columbia/master

new filepicker