Initial simple implementation of node subscriptions
Added tests for subscriptions
Capability value updates are no longer SHOUTed, but WHISPERed only to subscribers
Monitor subscribes to all nodes that enter ZOCP
All nodes automatically advertise changes to subscribers
Fixed shebangs
Fixed shebangs
Implement SIGnals
Make testbed more interesting
Make urwid respond to SIGnals
Fix unsubscribe message
Merge branch 'master' into feature_signals

Conflicts:
	src/zocp.py
Fix subscription examples for updated pyre
Register emitters and sensors
Merge branch 'master' into feature_subscribe

Conflicts:
	src/zocp.py
Consistently pass peer name along with on_peer_* calls
added vec2f widget
fixed register_vec2f method in zocp
Merge pull request #35 from sphaero/master

added vec2f widget
added start method to examples
Merge branch 'master' of https://github.com/z25/pyZOCP