Add debug log

Change-Id: Ibfdcc65715c31d0eb701557c82dd8017a30735bb
Remove pause/resume and stat_change from player.lua

Change-Id: I5dfd0f08a0f2cbead1d2b069f73dbff57be4364c
Using pdirect() in jz/shairport

Change-Id: I8d3bacdfd1e3a7f932f4a07819ca751b13e72279
Remove 'b' attribute in pipe.copy()'

Change-Id: I9770bc6e270b5e6435a6abef5938a580fdd72250