UPDATE v1158:

- fixed DSTM speed syntax and added suprminer speed syntax
- updated keepallive script which now supports upcoming Extension Boards for our SRR devices and new firmware which will be available soon
- added suprminer-ocminer-v1.6 (x16s and x16r)
- added nevermore-brian112358-v0.2.2 (x16s and x16r)