removing some old figures and other files
Added nearly complete Value_Function_Iteration.tex lab.
Added Value Function Lab to Vol2.tex.
Made small typo changes to value function lab.
Start Python Generators lab

This lab is designed to introduce Python generators.
Added rough outline of multi-armed bandit lab.
Added some rough content for bandit lab.
adding content to generator labs

Added more content for combinations and permutations.  Solutions for
same added as well.
Merge branch 'master' into python
Started the Cython lab.
Wrote most of the Cython lab.
rough draft of Cython lab
Merge branch 'master' into python
A closing note for the Cython lab
Finished Cython lab, added solutions.
Fixed a typo in the cython lab.
A major revision of the Cython lab. I corrected the motivation for the
typed memoryviews.
Further clarification of the cython lab, also added some useful notes to the solutions.
More sleight revision of the cython lab.
Added rough draft of the problems in the bandit lab.