.gitignore: Added node_modules in ..gitignore
package.json: Initialized node project. Added dependencies.
package.json: Now use snitch 0.0.3
js/dirTracker.js: Discarded depprecated function of prototype version of snitch module. Now use 'snitch.onStopGrowing'
js/server.js: Removed unused imports + legacy app.configure() of express module
Changed file structure of project