screen output fixes, improvements to the sampler module, commenting improvements, compiler-warning removal.  right nullspace fully works now, and is default nullspace method.
Merge branch 'feature/encapsulation' into develop

Conflicts:
	include/curve.hpp
	include/data_type.hpp
	include/parallelism.hpp
	include/sampler.hpp
	include/solver_sphere.hpp
	include/surface.hpp
	src/Makefile
	src/curve.cpp
	src/data_type.cpp
	src/nullspace.cpp
	src/parallelism.cpp
	src/postProcessing.cpp
	src/sampler.cpp
	src/solver_nullspace.cpp
	src/surface.cpp