Makes randomTreeGenerator produce random decision trees rather than just
random trees. Integrates randomTreeGenerator into randomForests page.
Merge pull request #12 from jgpettibone/master

added more content on the ML general site; added best examples for classification and regression; added pic of training process
Merge pull request #13 from chughes87/master

Makes random forests illustration actually random
modularized by putting MLIntro controller in separate file in controller folder
cleaned up scripts files
cleaned up server file
minor changes to ml intro sight