added FileReader
pulled out Handlers, ResponseGenerators and RequestRouter
refactored, added tests and removed unnecessary files
pulled out iterateThroughParameters method
removed outdated response file, changed an empty body to  rather than null
removed comments and added a body to 404 page
partial response test passes - hard coded
removed 2 System.out.println
Merge pull request #5 from elizabethengelman/implementing_feedback-take2

Implementing feedback take2 - major refactogin