Raspyrfm-client

* a beautiful pypi release

New device support:
* Voltcraft RC30 (ADX)

Other:
* test improvements

* better test execution
* changed build script
* added python classifiers

* Telecontrol 8342C Fix
* minor type documentation fixes

* removed support for python 3.2 and 3.3 in favor of Enums
* major refactoring
* support for custom gateway implementations
* support for ITGW (Intertechno Gateway)
* improved automatic gateway discovery
* fix for ignoring DISABLED implementations