Expand the Compressed Sensing lab by including more exposition and
explanation.
insert PageRank lab into Vol1.tex

Also fixed a compile error with pagerank lab.
implement solutions to page rank lab in python

A mostly efficient translation from MATLAB.  Tries to take advantage of
nice Scipy/Numpy features.
removed weakly connected problem
Expanded compressed sensing lab. Included images, data files, and py
files.
Merge branch 'pagerank' of https://github.com/ayr0/numerical_computing into pagerank
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
Fixed some typos in the arnoldi iteration lab.
A few more small fixes.
Spacing and formatting fixes.
Merge branch 'develop' into pagerank
More spacing and typo fixes.
minor typo and spacing fixes.
Removed unnecessary array allocation.
Merge branch 'pagerank' of github.com:insertinterestingnamehere/numerical_computing into iinh-pg

Conflicts:
	Applications/PageRank/PageRank.tex
fix occurences of web page
update figure in PageRank lab

Updated to matplotlib figure.