Expedia has released a major update to its TripAssist application designed to help travellers with booking, researching and tracking travel information. In addition to syncing itineraries from Expedia.com, TripAssist 2.0 allows users to enter and track non-Expedia travel itineraries as well. Other new features in the update include free real-time SMS and e-mail alerts for any flight, a new landscape-mode “billboard” view and a “date…