amazon-dash is still alive!

• Issue #119: Authorization Header with OpenHab
• Issue #132: Systemd service does not work after reboot
• Issue #130: jsonschema has been updated to 3.0.0 (incompatible update)
• Issue #128: Command On Button Press Does Not Work In Combination With Docker
• Issue #120: FreeNAS iocage Plugin
• Issue #129: Doubts in the installation between python2 and python3.
• Issue #117: Trouble installing on os x
• Issue #150: Add Python 3.7 to travis-ci
• Issue #151: Remove Python 3.4 support
• Issue #153: Update pyfakefs in tests
• Issue #152: Python 3.8 support
• Issue #147: Scapy update
• Issue #145: Amazon abandoned Dash Buttons