Merge pull request #13 from proppy/master

frontend: configuration and knob update
Merge pull request #14 from proppy/master

cacophon-sound-list: fix play on first share
Merge pull request #15 from proppy/master

add local backend discovery
Merge branch 'master' of https://github.com/proppy/cacophon
add memcache to backend
backend: dumber cache