Merge pull request #10 from jgpettibone/master

added some text and d3 for ML, regression, and classification; added images
Changes redirect of Machine Learning Algorithms View Now button to
redirect to algorithms rather than scatter route
Comments out an un-needed function toggleAll
added examples for regression and classfication
added image of training for supervised classification
adds random tree generator
Merge pull request #11 from chughes87/master

Href fix in mainindex.html and commented out code in app.js
updated some Classification text
Merge branch 'master' of https://github.com/GalaxyQuest/GalaxyQuestWebsite
some write up of training process