Open collar master - manual commit fix

reverting changes from xx Reyes / Wendy (llSleep)
adding changes from ZinnIxtar (listeners / state 2)


probably replaces pull request #2 

added some debug lines (hopefully disabled all of them again)
added some code to request menu buttons via message channel (incomplete)
reverting some past addition, so that menu buttons don't get lost
getting some nicer messages on leash and follow (North Glenwalker, in-world)
added comments/messages/help/info text