quadrature: Add `pfasst::augment_nodes` and handle `is_proper` flags appropriately.
cmake: little tweaks on example run targets
examples: scalar: some code cleanup
imex: Support virtual nodes (0 and 1).
quadrature: Initialize matrix with zeros.
doc: Tweak README.md, begin adding notes for v0.2.0 to CHANGELOG.md.
Merge pull request #67 from memmett/feature/doc-tweaks

doc: Tweak README.md, begin adding notes for v0.2.0 to CHANGELOG.md.
Style.
Merge remote-tracking branch 'memmett/feature/fix-quadrature' into development

* memmett/feature/fix-quadrature:
  Style.
  quadrature: Initialize matrix with zeros.
  imex: Support virtual nodes (0 and 1).
  quadrature: Add `pfasst::augment_nodes` and handle `is_proper` flags appropriately.

fixes PR #68

Signed-off-by: Torbjörn Klatt <t.klatt@fz-juelich.de>
Merge branch 'development' into feature/cleanup-scalar

Signed-off-by: Torbjörn Klatt <t.klatt@fz-juelich.de>

Conflicts:
	examples/scalar/scalar_sweeper.hpp
scalar: some further cleanup
tests: examples: scalar: rewamped to be parameterized

now using GTest parameterized test cases to generate separate test cases
for each number of nodes in range
Merge pull request #63 from torbjoernk/feature/cleanup-scalar

Very nice.