[Poshuku DCAC] Fixed settings page name.
[Poshuku DCAC] Effect grayness threshold.
[Poshuku DCAC] Effect threshold is configurable now.
[Poshuku DCAC] Logical coordinates seem to be faster.
[Poshuku DCAC] Compute R, G, B sums separately.

Avoid multiplications in the loop, seems like it is causing pipeline
stalls otherwise.
[Snails] Get rid of sync flags.
[Snails] Moved FromNetMessage() call to FullifyHeaderMessage().