created all the webpages for the application
added methods for create, save, edit, update, and delete requests
added login method to render login page
added html code of Textbook Xchange's home page
added html code of common page elements i.e. navabar
added method for getting a list of all names in database
added a second constructor method for default values
add webjars-play(2.1.0) and bootstrap(2.3.1) dependencies
add http requests creating, editing, deleting, and viewing