jsbeautifier fixes
updated npm modules
Change media input messages for unsupported browsers, closes https://github.com/kobotoolbox/enketo-express/issues/82
modernized testa
use cross-browser online-only file input widget in previews, https://github.com/kobotoolbox/enketo-express/issues/69
Merge branch 'master' of https://github.com/enketo/enketo into production

Conflicts:
	src/js/require-build-config.js
	src/js/require-config.js
re-added submodules, re-fixed require config for grid theme