Progress.
Tune both multigrid and multiscale.

Conflicts:

	hermes2d/test_examples_DG/VertexBasedLimiter/main.cpp
Some progress.
Progress.
Optimize CSCMatrix<Scalar>::multiply_with_vector.
Fix memory leaks, adjust logging.
Tuneups.
Add the original forms.
Progress.
Progress.
Make it work for p=1.
Do not add diffusion forms where not necessary.
Error measurement rework.
Turn off visualization.
Change from 1D to 2D.
Add run.
Merge remote-tracking branch 'lukas/devel' into new_devel

Conflicts:
	hermes2d/test_examples_DG/VertexBasedLimiter/algorithms.cpp
	hermes2d/test_examples_DG/VertexBasedLimiter/algorithms.h
	hermes2d/test_examples_DG/VertexBasedLimiter/definitions.cpp
	hermes2d/test_examples_DG/VertexBasedLimiter/definitions.h
	hermes2d/test_examples_DG/VertexBasedLimiter/forms.h
	hermes2d/test_examples_DG/VertexBasedLimiter/main.cpp
Merge remote-tracking branch 'lukas/devel' into new_devel

Conflicts:
	hermes2d/test_examples_DG/VertexBasedLimiter/algorithms.cpp
	hermes2d/test_examples_DG/VertexBasedLimiter/algorithms.h
	hermes2d/test_examples_DG/VertexBasedLimiter/definitions.cpp
	hermes2d/test_examples_DG/VertexBasedLimiter/definitions.h
	hermes2d/test_examples_DG/VertexBasedLimiter/main.cpp