Merge pull request #1 from zjmichen/master

Object Oriented Tracker
updates tracker.js file with revisions by Zack Michener
removes previous tracker file
adds proper dependencies to package.json for node modules to be installed using npm install, removes node_modules folder
fixes tracker to pull tweets
fixes tracker error
fixes regular expression issue
adds mongoDB and mongoose to package.json dependencies
removes outer node-dev-bootstrap setup, leaves everything previously in the app folder
change tracker include to lowercase