Major updates

Rewrote the build script
Updated to 2.0.7 and 2.2 nightly
Fixed a bug in dragging (r1ch)
Possibly fixed delay problems with stream
Downmix number of channels before sending to OBS audio (fix >2ch)
Down/Up sample to 44100 before sending to OBS audio (fix crackling at
>441k)
Fix problems in device resolution in 2.2 (still too unstable)