Updated Stochastic lab to incorporate Alexander's suggestions.
Merge branch 'master' into stochastic.

Conflicts:
	Applications/Dynamic_Programming/Stochastic_Cake_Eating.tex
Added empty voronoi lab.
Outlined voronoi lab.
Merge branch 'master' into voronoi
Added Haar lab, although not yet complete.
Wrote the intro to the voronoi lab
Added the start of a solutions file 'solutions.py'
Merge branch 'master' into voronoi
Merge branch 'master' into voronoi
Partial draft of the explanation and usage of voronoi diagrams.
Added the Intro to Wavelets lab in Algorithms. Still need to add
a couple of images/figures.
Nothing new added or changed
Merge branch 'master' into voronoi
Merge pull request #171 from byuimpact/develop

Update playground from develop
Merge pull request #173 from byuimpact/develop

Update playground from develop
Merge branch 'master' into voronoi
Merge branch 'master' into voronoi
Merge pull request #175 from byuimpact/develop

update from develop
Merge branch 'master' into voronoi