Files Added: FacilityDetailViewController, cafe.jpg, store.jpg, menuviewcontroller, galileo_menu_2014.pdf.

ExhibitViewController: Modified the button which takes to navigate view controller. Removed a NSLog command.
InfoViewController: Now adler store and cafe galileo go to a page displaying info about them like exhibit, nag bar displays the exhibit name now.
MenuViewController: Displays the cafe menu.
FacilityDetailViewController: Displays the information about two facilities: cafe and store, along with options of opening the store in browser, menu in a different view and an option to navigate there.
EnterCodeViewController: Allows user to input code and locate themselves, uses the array index as codes and checks if source or destination to make sure its a valid code and checks if index within the array length.
Merge remote-tracking branch 'origin/master'