widget: options.hideUndefinedDevices
widget refactoring & cleanup
a little more refactoring
dir cleanup
README update
widget: clear devices if web2serial down
Merge remote-tracking branch 'origin/master' into overflo
bundled libraries
widget.js: deviceIncludeFilter, deviceExcludeFilter
Merge remote-tracking branch 'origin/master' into overflo
adapted web2serial to current release