Homematic: Fixed Problem with active binding and properly configured
setting.
Homematic: Use of real ItemRegistry to access items. Solves various
wrong value displayed issues.
Merge remote-tracking branch 'upstream/master' into workspace
Homematic: Refactored converter lookup. Removed dependency to
ItemRegistry (is disallowed). Added item state cache into binding.
Homematic: Removed some more usages of the item inside the homematic
binding. Now mostly the itemName is used.
Homematic: Fixed unit tests
Merge pull request #696 from thomasletsch/workspace

Homematic: Fixed Problem with active binding, use of real item registry.