findPeer defaults to nodetron.socket if socket is not present
Merge branch 'master' of https://github.com/bchu/nodetron
remove appCache references
refactored tests to attach peer and socket to nodetron object, rather than return them
refactored peerSetup to attach socket and peer to nodetron, rather than return them
Merge branch 'master' of https://github.com/bchu/nodetron into brian

Conflicts:
	client/peerSetup.js
	demo
Server double quote tweak
Added livereload snippet so that browser auto-refreshes. Added npm package
Updated demo submodule