Merge pull request #379 from MIT-Mobile/3.6/dev-intrepid-svoigt

3.6/dev intrepid svoigt
MITEventsTableViewController updated to manually handle selection
Manual selection handling implemented for search results controller as well.
Event webview links now open in safari.
Route status cell shows 'No current predictions' instead of 'Predictions unavailable'
Updated timestamps to be smarter about relevant data
Reworked shuttles network calls to a singular function for easier transfer later
Renamed cell selected method for clarity
Merge pull request #380 from MIT-Mobile/3.6/dev-intrepid-lwright-shuttles

3.6/dev intrepid lwright shuttles
Fixed tour detail info webview sizing on iPad
Put in check to make sure tour was loaded before going to next screen