anyway and due to the way Leaflet/GMaps worked, latter only
started zooming after former was finished, making zooming very
slow. This is an experimental change. Please report if you have
problems.
- remove superfluous calls in LeafletGoogle
loading dependencies just got a lot harder. External JS and CSS files
are now included directly in the file while building. This does not yet
work for plugins. I will make an emergency release soon, so at least
main works.