Lots of changes to make the herd incorporated into view extents and features in a proper way
Merge branch 'master' of https://github.com/Geodan/cow

Conflicts:
	demo/scripts/peerwidget.js
Merge branch 'master' of https://github.com/Geodan/cow

Conflicts:
	demo/scripts/peerwidget.js
	src/cow.websocket.js