This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

http://www.gnu.org/licenses/

Map tiles by [Stamen Design](http://stamen.com "Stamen Design"), under [CC BY 3.0](http://creativecommons.org/licenses/by/3.0 "CC BY 3.0"). Data by [OpenStreetMap](http://openstreetmap.org "OpenStreetMap"), under [CC BY SA](http://creativecommons.org/licenses/by-sa/3.0 "CC BY SA").