Simplify music player interface

Zefram

2014-08-14 6cc471e986c694298716c257528c653395bd757d

 technic/register.lua

@@ -3,6 +3,7 @@

technic.receiver = "RE"
technic.producer = "PR"
technic.producer_receiver = "PR_RE"
technic.battery  = "BA"

technic.machines    = {}