Set executable bit on gradlew.
Update build to latest and L final.
Merge pull request #44 from JakeWharton/jw/chmod

Set executable bit on gradlew.
Merge pull request #45 from JakeWharton/jw/modernize-build

Update build to latest and L final.
Adds "Watch Trailer" option to movie detail card.
Merge pull request #46 from rharter/feature/trailer

Adds "Watch Trailer" option to movie detail card.
Updated gradle wrapper and dependencies.