move more to ansible: mpd, pulseaudio

Ignore-this: ec232766205b1dee9da145e0b85a6f49

darcs-hash:20130928174249-312f9-930c27c87637807b354d4030800f708352bd2bd8
updates for grapes

Ignore-this: bc7b537d1fb5d4e29e90b3c6d9c8217d

darcs-hash:20130928193918-312f9-c5dba9d8c078addb2aab21b3c456ec20e32f6bd2