Homematic: Refresh Connection every 5min. Thanks to Thorsten Gilfert for
his patch.
Merge branch 'thomasletsch/workspace' of github.com:captSL/openhab into thomasletsch/workspace

Conflicts:
	bundles/binding/org.openhab.binding.homematic/src/main/java/org/openhab/binding/homematic/internal/bus/HomematicBinding.java