Many thanks, so workshop participants that want personal credentials to Everynet cloud (to add your own applications and devices without pestering me about it 
) you can use https://my.everynet.com/#frontend/register
I have access to the cloud so I can add your applications and devices the the cloud meanwhile.
Edit: my test code:
- Application https://github.com/rambo/everynet_lora_server_test
- Device https://github.com/rambo/pymeetup20170125_talk/tree/master/lopy_test