Zigpy-deconz

Changes

- Update travis configuration. Adminiuga (86)
- Adopt black as code formatting tool. Adminiuga (85)
- Adopt release notes drafter. Adminiuga (84)
- Update README.md with goal in the description Hedda (82)

🚀 Features

- Add method to send multicast requests. Adminiuga (81)

Changes
- Enable watchdog based on protocol version. (77)
- Refactor reading/writing network parameters. (79)

Changes
- Refactor reading/writing network parameters (73)
- Readme updates (75)

Fixes
- Use "NWK_AND_IEEE" addressing mode for Conbee I sticks (74)

Breaking
Sync up with [Zigpy 0.9.0 Release](https://github.com/zigpy/zigpy/releases/tag/0.9.0) `zigpy==0.9.0` is the minimum required version onward.

- Cleanup futures on commands timeout (64, 61)

Fixes
- Deconz initialization fix.