Added Yahoo weather binding

Signed-off-by: Kai Kreuzer <k.kreuzer@telekom.de>
Added send() operation to ImageItem

Signed-off-by: Alex Tugarev <telekom@tugarev.de>
Added new constructor to ThingUID.

Signed-off-by: Alex Tugarev <telekom@tugarev.de>
Merge branch 'integration' of https://github.com/qivicon/smarthome into integration

Signed-off-by: Alex Tugarev <telekom@tugarev.de>