Fix #293 wrong last commit reported
Fix #293 wrong last commit reported

Last commit reported could be wrong after a rebase or wrong commiter
date.

Use `--date-order` to show commits in the commit timestamp order.

Signed-off-by: talset <5aeb180222bea373ba9dc3d80c3fad0b4bf49627@gmail.com>

concourse/git-resource