Merge pull request #1 from honnix/master

show how to use interaction
Merge pull request #2 from honnix/master

one improvement and one new feature
Merge pull request #3 from honnix/master

a stupid typo that will crash the whole thing
add feature of use web page to show channel list and switch channel
Merge pull request #3 from jihao/web

Add web page to list all channels and switch channel