Major release

Refactoring of asyncio handling

Complete redesign of networking part - using asyncio

Merge pull request #39 from andreasnanko/dev

Merge dev from fork back to xknx

Bugfixes

Renamed function 'request_state' to 'sync state' bc the old name was misleading.

New Year 2017 Edition

• New interface for starting XKNX daemon
• Abstraction for CEMI/KNXIP frame
• Abstraction for DPT datatypes
• Improved address class
• Basic Thermostat (recording temperature)
• Shutter support
• Sending time to KNX-Bus
• Support for dimm actors
• many, many unit tests
• Support for TravisCI