fix CUDA 9 shuffle warning

add NVIDIA Volta support

fix assert in AMD backend

fix bug announced in #52

If the miner is compiled in debug mode the assert condition results in a compile time error.

add `sm_70` if CUDA 9+ is avalable

use `__shffl_snyc` if CUDA 9+ is avalable

add order_fix for double hash

Make hwloc check capabilities and stop it from leaking mem

Re-add UAC manifest and WIN_UAC cmake option

Affinity fix version C

Make sure all singletons are set to null and make env a global ptr

remove the gpu_thread_num safety

Keep consistency between class and struct

fix cuda 7.5 compile

fix CMake find package output

fix error: `identifier "__builtin_ia32_monitorx" is undefined`

remove early returns

improve AMD auto suggestion

Minor doc fixes

fix #3

- remove QUIET from find package for OpenCL and CUDA
- remove pascal architecture from default CUDA_ARCH for CUDA < 8.0

- use always a multiple of the number of compute units
- add more device information to the config file