Clean up repository. (#21)

- remove Travis CI
- use https in License
- update the source of tiles in style.json
- update readme

Merge pull request #16 from eva-j/style_for_3.11

Style for OMT 3.11 - boundary, water brunnel

Add piers

Remove center and zoom

Remove lang-fallback.json

Distinguish disputed countries

Remove filter on polygons for buildings

Add lang-fallback.json

Add aeroways from OMT 3.5

version 1.0