added a sweeper for the scalar test equation
scalar example
removed scalar example; to be put in through merge with scalar branch
different parameters in scalar example
Merge branch 'release/v0.1.0' of https://github.com/danielru/PFASST into scalar
cmake: Cut some comments.
interfaces: Split out `restrict_initial` from `restrict`.
interp: Flense.
pfasst: Add `tag` helper and state V-cycle on finest level.
Merge remote-tracking branch 'daniel/scalar' into feature/scalar2

Conflicts:
	examples/CMakeLists.txt
scalar: Don't need FFTW.
scalar: Put 3rdpart_INCLUDES back.
cmake: Restore and flesh out comments.
Merge branch 'development' into feature/scalar2
scalar: Update to new naming convention.
Merge branch 'development' into feature/flense

Conflicts:
	include/pfasst/encap/poly_interp.hpp
Merge pull request #61 from memmett/feature/scalar2

Add DRs scalar example.
Merge pull request #60 from memmett/feature/flense

Tidy and flense various.