Revert "Revert "Changed default message on main OBA browser screen to Tampa-related bus stops and routes.  Also changed default message to say "Search for stops and routes" instead of just stops.""

This reverts commit d0d2b5f8fcf127a2aeaa53ef6c69d945d78bd396.
Revert "Revert "More changes to update default message on main OBA browser page.  This text is located in multiple files in the project.""

This reverts commit 87c5bad9d127cbf7f99a35249d1dec72789c27ad.