switch to using icon-font, for https://github.com/MartijnR/enketo-grid-theme/issues/36
upgraded xlst and enketo-core with new radio buttons
various corrections for the new radiobuttons
don't attempt to access css stylesheet mediaText upon load, closes https://github.com/MartijnR/enketo/issues/285
updated gitignore
Merge branch 'master' of https://github.com/MartijnR/enketo into production
upgraded grid theme
upgraded enketo-core