Implement localmsg://nokia.sa.service-registry API
Merge pull request #642 from PinZhang/pzhang/nokia.sa.service-registry

Implement localmsg://nokia.sa.service-registry API
Tests for playing audio.
Tests for audio volume control.
Merge pull request #650 from yxl/audio-player-test

Audio player test
Merge branch 'master' into fs-perf

Conflicts:
	tests/automation.js
rename TestPerf to TestFileSystemPerf