Added per feature headers
Added per feature headers and added length_t and GLM_FORCE_SIZE_T_LENGTH
Improved GLM messages enabled with GLM_MESSAGES
_inverse is now private
Added glm::length and removed col_size and row_size
Added headers for including subset of functions
Move content of core directory into detail directory. Reduced dependencies to glm.hpp.
Reduced dependencies for GTC extensions
Reduced dependencies of GTX extensions. Removed some deprecated code.
Reduced dependencies of GTX_component_wise
Fixed warnings
Factorize glm::inverse code for matrices
Refactored transpose function
Refactored outerProduct code
Fixed build on MacOS
Fixed build with C++98 compilers
Fixed build with GCC 4.7 C++11
Fixed warnings on GCC
Fixed io build
Updated GLM manual with per feature headers. Fixed io.