System
* Tweak wording for menu command to erase flash on ESP boards
* Make PlugShare work in web app
* Redirect web app HTTP url's to HTTPS
* Add new Calliope mini and Teensy vendor ids to web's serial port filter
* Add ItsyBitsy to precompiled VM's (for "Christmas in the Park" project)
* Make Flashing ESP boards work in Chrome app
* Make PlugShare work in Chrome app

Translations
* Add Japanese translation (thanks, Ayachika!)