Fix the script that collects data from moves

Fix the script that collects data from moves to also populate trip data. This
was a regression introduced by my refactoring this summer. Also added unit test
cases to confirm that the trip is populated correctlys so that this won't recur
in the future.
Merge pull request #17 from shankari/master

Fix the script that collects data from moves
Merge pull request #19 from shankari/gamification

Calculate score and display it as a progress bar
Trim the pictures so that they fill up the screen

Remove margins so that we don't get an unsightly border around the screen