CGL API fixups
GL const parameter fixups
LONG and ULONG_PTR for Windows
Add Logging::process option to log process ID
Avoid glGetAttachedShaders in RegalDispatchLog unless driver logging is actually specifically enabled.
For RegalDispatchCode log the texture data to the header rather than source.
Also can be specified via REGAL_CONFIG_FILE environment variable.
Initial migration of Regal::Json::Output to boost::print::json::output
Update GLEW to sf/github TOT.
Extend GL database to list per-extension information
EmuFilter layer - selective ES 2.0 filtering
Increase the strictness of emulation regex matching - must be unique
Initial implementation of JSON output
