*** $Id$ ***

Architectural changes:
- per-channel volume
- channel mapping ("left", "right", "rear", "subwoofer")
- add API for synchronizing multiple sinks/sources to a common clock
- absolutely indexed write()s from client
- remove "polyplib-" prefix

Fixes:
- improve module-oss-mmap latency measurement
- module-tunnel: improve latency calculation
- make alsa modules use mmap
- event more commenting

Features:
- add radio module
- xmlrpc/http
- dbus
- rendezvous
- polish for starting polypaudio as root/system-wide instance
- export connection fd

Long term:
- pass meta info for hearing impaired
- X11: support for the X11 synchronization extension

Backends for:
- portaudio  (semi-done)
- alsa-lib
- sdl
- OSS (esddsp style)