made improvement suggestions a seperate template
Implemented improvements suggestions for the user
Merge branch 'master' of github.com:markuswi/fernsehnauten3

Conflicts:
	client/feedback.html
added beginnigs of a graph visualizaion tool
fixed bug in observe_changes handler
fixed another minor bug
and another one ...
continued ...
trying to avoid pydot error
fixed indent error
Started with set_on_click for channel selector