modified:   .gitignore
Operator |=, calculating in doubles
	modified:   src/tests/unit/anisotropic_matrixes.cpp
Merge remote-tracking branch 'upstream/master'

Conflicts:
	src/libgcm/util/AnisotropicMatrix3DAnalytical.cpp
	src/libgcm/util/AnisotropicMatrix3DAnalytical.h
	src/libgcm/util/matrixes.cpp
	src/tests/unit/anisotropic_matrixes.cpp
Merge remote-tracking branch 'akazakov/master'

Conflicts:
	src/libgcm/materials/AnisotropicElasticMaterial.cpp
	src/libgcm/util/AnisotropicMatrix3DAnalytical.hpp
	src/tests/unit/anisotropic_matrixes.cpp
Update tools/build.sh wrapper for new build system options