removing some old figures and other files
Updated Stochastic lab to incorporate Alexander's suggestions.
Merge branch 'master' into stochastic.

Conflicts:
	Applications/Dynamic_Programming/Stochastic_Cake_Eating.tex
Added the Line Search lab.
Trying to fix compilations errors in linesearch.
Re-added a file that was untracked when renamed.
Adding the fixed Linesearch lab.!
Made lines shorter, switched out $$ for equation* environment.
Added a warning about out of bounds array access in the Cython lab.
Merge branch 'master' into typofixes
began section on SciPy

This lab will also cover an introduction to SciPy.
source to be included in lab
add a scipy demonstration
Added the Vectorization lab
Merge branch 'master' into vectorization
fix spelling errors

Added line breaks as well.
added solutions
Merge branch 'vector' of git://github.com/AZaitzeff/numerical_computing into vectorization
refactor solutions
speak about array programming

In my research on vectorization, I came away with the feeling that
vectorizing is what compilers do and array programming is what
programmers do.