Compilable portaudio-based framework.
Remove email address from source files.
Adding simple ring buffer implementation.
Use integers of same type in comparison.
Indent.
Adding callback and ring buffer.
Use higher audio latency for now.

Changed the suggested audio latency from 10 to 40 ms to prevent too frequent
callbacks with very small transfers.
Functional audio server sending raw audio.
Use correct audio frame size.
Add makefile to replace the build.sh script.