less buggy radio unselect (for testing on mobile), #351
enabled date, time, datetime picker widgets (for testing on mobile)
upgraded Modernizr and customized build (15kb to 9kb)
removed unnecessary css3 support check
hover on garbage bin
Merge branch 'master' of https://github.com/modilabs/enketo into robust_radio_unselect
added new radio unselect support for grids and tables, #351
fixed most broken tests
rebuilt
Revert "added new radio unselect support for grids and tables, #351"

This reverts commit 5e5bf046859881fb70f14ddbd1cec6a4cb91678f.
resolved conflicts after cherry-picking from robust_radio_unselect branch
resolved conflict
cleanup and rebuilt