yay, zyre like messages from the collab server. At the moment clients are
just listening and maintaining the peers hash. Next up the clients need to
present that in the "connect" dialog in some nice way for the user.
updates for ux
some cleanups
force version 4.x of zeromq now.
slight cleanup again
Merge pull request #833 from monkeyiq/2013sep/zyre1

2013sep/zyre1