Luffa and simd merged to one kernal.

Small echo rewrite. +10KHASH on the 650(compute 3.0)

tpruvot: add Linux Makefile - Force to 80 registers (else -30KH/s)

Note : the hashrate seems more constant with this change
cubeluffa: Fix indent and add some static prefixes

use git "show -w <commithash>" to see changes

Duplicated functions in merged Cube+Luffa could be cross linked without
nvml: clean up and fix retorted bus id bug in api