Fixed shuttle vehicle bubbles not updating to show correct route name
Merge pull request #550 from MIT-Mobile/3.6/dev-intrepid-svoigt

3.6/dev intrepid svoigt
Cleaned up annotation font and color into a category
Merge pull request #547 from MIT-Mobile/3.6/ross-fixes

Fixed shuttle vehicle bubbles not updating to show correct route name
Now using MKUserTrackingBarButtonItem #541