GLM 0.9.5.0

• Added forward declarations (glm/fwd.hpp) for faster compilations
• Added per feature headers
• Minimized GLM internal dependencies
• Improved Intel Compiler detection
• Added bitfieldInterleave and _mm_bit_interleave_si128 functions
• Added GTX_scalar_relational
• Added GTX_dual_quaternion
• Added rotation function to GTX_quaternion (#22)
• Added precision variation of each type
• Added quaternion comparison functions
• Fixed GTX_multiple for negative value
• Removed GTX_ocl_type extension
• Fixed post increment and decrement operators
• Fixed perspective with zNear == 0 (#71)
• Removed l-value swizzle operators
• Cleaned up compiler detection code for unsupported compilers
• Replaced C cast by C++ casts
• Fixed .length() that should return a int and not a size_t
• Added GLM_FORCE_SIZE_T_LENGTH and glm::length_t
• Removed unnecessary conversions
• Optimized packing and unpacking functions
• Removed the normalization of the up argument of lookAt function (#114)
• Added low precision specializations of inversesqrt
• Fixed ldexp and frexp implementations
• Increased assert coverage
• Increased static_assert coverage
• Replaced GLM traits by STL traits when possible
• Allowed including individual core feature
• Increased unit tests completness
• Added creating of a quaternion from two vectors
• Added C++11 initializer lists
• Fixed umulExtended and imulExtended implementations for vector types (#76)
• Fixed CUDA coverage for GTC extensions
• Added GTX_io extension
• Improved GLM messages enabled when defining GLM_MESSAGES
• Hidden matrix _inverse function implementation detail into private section