TESTS: added quadrature test comparing Qmat and nodes
QUAD: fixed accuracy of QmatTest

(failed for some compilers...)
Merge branch 'development' into feature/roberts-second-try

Conflicts:
	include/pfasst/quadrature.hpp
Merge pull request #74 from pancetta/feature/roberts-second-try

TESTS: added quadrature test comparing Qmat and nodes