GLM 0.9.9.6

Features:

• Added Neon support to glm #945
• Added SYCL support #914
• Added EXT_scalar_integer extension with power of two and multiple scalar functions
• Added EXT_vector_integer extension with power of two and multiple vector functions

Improvements:

• Added Visual C++ 2019 detection
• Added Visual C++ 2017 15.8 and 15.9 detection
• Added missing genType check for bitCount and bitfieldReverse #893

Fixes:

• Fixed for g++6 where -std=c++1z sets __cplusplus to 201500 instead of 201402 #921
• Fixed hash hashes qua instead of tquat #919
• Fixed .natvis as structs renamed #915
• Fixed ldexp and frexp declaration #895
• Fixed missing const to quaternion conversion operators #890
• Fixed EXT_scalar_ulp and EXT_vector_ulp API coding style
• Fixed quaternion componant order: w, {x, y, z} #916
• Fixed GLM_HAS_CXX11_STL broken on Clang with Linux #926
• Fixed Clang or GCC build due to wrong GLM_HAS_IF_CONSTEXPR definition #907
• Fixed CUDA 9 build #910