Common OpenCL: Move variable declarations to C file and use external
declarations in header.
Proper vectorizing support for shared OpenCL functions.
Various OpenCL bug fixes for running vectorized.
OpenCL: drop the "show_speed" logic in favor of options.verbosity.
OpenCL formats: Use options.verbosity instead of other strange mechanisms.
Move duplicated code from OpenCL formats to autotune.h file.
Rename "kpc" to "gws" in RAKP OpenCL to avoid confusion (maybe it just
adds to the confusion but at least it's in line with other formats =).
JtR coding-style fixes.