Merge pull request #217 from StuartDBrady/add-C++-for-OpenCL-lang

Add CPP_for_OpenCL to grammar

diff --cc include/spirv/unified1/spirv.core.grammar.json
Simple merge

diff --cc include/spirv/unified1/spirv.cs
Simple merge

diff --cc include/spirv/unified1/spirv.h
Simple merge

diff --cc include/spirv/unified1/spirv.hpp
Simple merge

diff --cc include/spirv/unified1/spirv.hpp11
Simple merge

diff --cc include/spirv/unified1/spirv.json
Simple merge

diff --cc include/spirv/unified1/spirv.lua
Simple merge

diff --cc include/spirv/unified1/spirv.py
Simple merge

diff --cc include/spirv/unified1/spv.d
Simple merge