Don't access the ts member if there is no entry

This fixes a failure reported by CanuckS#69

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Fix map screen

This has been broken for a week and no one noticed...

commit 13a58ac906cf ("Restyle trip tracking page") removed one critically
important styling element from the container div into which the map gets
rendered.

Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
Merge pull request #54 from dirkhh/fixes

Fixes