Move Regal::Thread dependency from RegalPrivate.h to RegalContext.h
Add jsonsl to src tree, for parsing JSON data.
Extend boost::print to support pad(width) operator for indentation.
Info logging for shader caching.
Logging enhancement for texture parameter.
shaderSourceStrings - to NUL-terminated string.
Build regaltest as part of all Makefile target.
make export - Export.py command-line has changed.
Makefile defaults to MODE=release
Texture parameter logging improvements.
boost::string_list support for splitting glShaderSource string arrays, with optional delimiter
Optional logging of pointers - REGAL_LOG_POINTERS=1 by default
Optional logging of thread, per line of log output - REGAL_LOG_THREAD=0 by default
In Init::context, avoid assertion if thread was previously associated with the context
Optional writing to shader cache - REGAL_CACHE_SHADER_WRITE=1 by default in debug mode
Initial test coverage added for boost::string_list
Add makePath utility function for joining a directory and filename.
