Added decode_audio debug statements.
Link portaudio library as DLL instead of static.
Fixed portaudio include directories pointing to old r1360 source.
Increased squeezeplay win32 revision to 310.
Updated MSVC90 redistributable DLLs to match VC2008 SP1.
Additional debug logging for portaudio decoder.
Increased squeezeplay win32 revision to 312.