Expand the Compressed Sensing lab by including more exposition and
explanation.
Expanded compressed sensing lab. Included images, data files, and py
files.
Added new image, plotfigs file, solutions file, solutions data archive.
Removed rubiks cube problem.
Merge pull request #506 from abefrandsen/compressed_sensing

Compressed sensing
I made a minor edit
Merge pull request #508 from AZaitzeff/CS

I made a minor edit
Merge branch 'develop' into pagerank
minor typo and spacing fixes.
Merge branch 'pagerank' of github.com:insertinterestingnamehere/numerical_computing into iinh-pg

Conflicts:
	Applications/PageRank/PageRank.tex