zhang369 - Added create itiernary popup window, the window can create JOSN object with trip information in itinerary.js file
Added date and time format
Shuotian
Improved on add itinerary functions so that we can add multiple cities to a single itinerary.
Displays the added cities within the form.
Shuotian
Updated some comments for itinerary.js for test cases
Merge pull request #7 from WhosOutThere/samuel_createItinerary

Samuel create itinerary