introduces vvvvjsapp.json and adds support for 'external handlers'; fixes crash on unclean disconnect
introduces vvvvjsapp.json and adds support for 'external handlers'; fixes crash on unclean disconnect

zauner/vvvv.js,zauner/vvvv.js,zauner/vvvv.js,zauner/vvvv.js,zauner/vvvv.js