Changes

• Improved support for polling status when CoAP not working
• Add support for mDns discovery
• Add Shelly by entering IP-address in config.yaml
• Receive friendly_name from Shelly Cloud (Same as in app)
• Use pyShelly 0.1.10
• Add Shelly by entering IP-address in config.yaml
  Add auth_key and server in config.yaml. You find this info under settings in my.shelly.cloud

cloud_auth_key: "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX"
cloud_server: "shelly-5-eu.shelly.cloud"

• Lots of other fixes