Drop FMT_OMP from wpapsk-opencl: It doesn't use (nor need) OMP anymore.
If we are a release build, only output OpenCL build log if there was
a fatal error (or --verbosity was increased) - not just for warnings.
Fix torrents of warnings seen on recent OSX drivers for various OpenCL
kernels. This also works around several driver bugs!
Cygwin64 make target!
Various OpenCL formats: Auto-tune bugfixes when LWS is supplied by user.
Work around an OpenCL bug in OSX 10.9.2.
Fix for crude auto-tune picking a far too high value on Iris (Intel
HD Graphics 5000).