Update Regal GLEW to 1.11.0, including OpenGL 4.5
Refresh apitrace from upstream
Can now "make framework" under Mac OS
Merged pull requests 134, 135, and 136
Major enhancements to the state web server.
Added state-based shader instancing to avoid recompiles.
Fixed issue #113 - Possible bug with REGAL_STATISTICS
Corrected handling of GL_POINT_SIZE_MAX state in RegalState.
Refreshed apitrace, civetweb, libpng, and GLEW from upstream.
GL_EXT_blend_color, GL_EXT_blend_subtract and GL_NV_blend_square emulation for ES 2.0.
ARB_shader_subroutine completeness for NV_gpu_program5 purposes.
Better log nesting for begin/end, push/pop log pairs.
Regal.cpp codegen tidy-up: reduce casting for default return values.
Regal context sharing for WGL too.
Log the return values of global functions (WGL, etc) in the driver logging stream.
Regal::Marker needs two versions of toString, depending on the relevant extension being emulated.
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
Extend the existing RegalPPa/RegalState functionality to add support for
saving and restoring the server side transform state.
Unlike the other emulated functionlity in RegalState, the code I added
does minimize the state transitions, which is especially a good idea if
the backend does not support certain state (such as clip planes) that
may not be actually set by the Regal client.
Extends the testRegalState test to fully cover the new state code. Adds
a quick test for the PushAttrib/PopAttrib calls.
Half of the fix for Regal Issue #27.
