Merge pull request #4 from openhab/master

Merge pull request #65 from peuter/master
Merge pull request #5 from openhab/master

Merge with current master branch
Merge pull request #8 from openhab/master

Update MANIFEST.MF
initial commit of the cometvisu backend
Merge pull request #66 from peuter/cometvisu

Issue 160: Backend for CometVisu