Downgrade Boost requirements. Boost 1.55.0 is buggy with Intel compilers
Merge branch 'master' of repo.ctcc.no:pcmsolver
Remove Boost.Quadrature, update CMakeLists.txt and correct overly clever use of std::pow in Symmetry.hpp
Merge branch 'master' into release

Conflicts:
	external/boost/numeric/quadrature/quadrature_config.hpp
Fine-grain selection of libraries to link unit tests against.
Merge branch 'master' into release