CAVA-0.4.1: auto pulseaudio source mode
new features:
- added auto pulseaudio source mode
- pulsaudio is now default
- pushing 'r' now reloads audio
- Added console title
bugfixes:
- Error on Raspbian at run-time when running from installed path
considering namechange: cavamp (console based audio visualizer for alsa, mpd and pulseaudio)