Lab: Statistical Distributions

Review common distributions in statistics.
fix labels in Vol1
separate labs into their respective folders

Maintain consistency with current lab structure.  Separated the dynamic
programming labs into their own folders.
remove redundant \centering command
fix bad labels in Vol2
revert line that broke TOC

Revert a line that caused formatting issues with table of contents
entries.
removed unnecessary line
Merge pull request #291 from ayr0/hotfix-toc

revert line that breaks formatting in TOC
Further writing for Distributions lab
First Draft of Regressions Lab
Oops wrong folder
Merge pull request #282 from ayr0/refs

Fix reference warnings in Vol1 and Vol2
Fixing mistakes I just made... because I don't git Git hah
Merge branch 'distributions' into regressions

Conflicts:
	Algorithms/Distributions/Distributions.tex
	Algorithms/Distributions/distributions.py
	Vol2.tex
Unecessary files deleted
Merge pull request #292 from jareddf/regressions

Regressions
regenerated plots for matplotlib lab.
reset lengths for screen display

Also reset footnote counter each chapter.
Merge pull request #293 from ayr0/hotfix-toc

reset lengths for screen display
commit forgotten file