added date validation to display error if date is in the past.
renamed standard method to create alert box with no particular action.
added missing reference to renamed element of view.
small modification and beginning of creation of the fragment which displays list of trips.
[IN PROGRESS] Beginning of creation of fragment for trips list. not working...
Added searchTrips network request. Now just need to add loading spinner and improve results display. Also corrected Trip date setters.
Added indeterminate progress bar. Ugly, but simple and working.
improved title of the page. Still a bit ugly, but a bit better.
improved titles display.
added custom display of trips list. Still need improvements, but working. Trip now retrieves the driver as a User object.
added trip details fragment and switch between list and details. Just need to build details screen now.
tried to fix error when turning screen but not very successful.
updated manifest to match new requirements
Merge branch 'search-results'

Conflicts:
	src/main/res/layout/fragment_trip.xml
	src/main/res/values/strings.xml