Deleted math type template argument from ISMesh class.
Using vec3 defined in CGLA_API in DSC class.
Using real defined in CGLA_API in DSC class.
Deleted unused and outdated save_obj function.
Defined CGLA functions and definitions in util.h and is therefore not using CGLA_API anymore. Changed framework to comply with these changes as well as removed math type template argument wherever possible.
Removed math type template argument from DeformableSimplicialComplex class.