Replace EPSG:900913 by the official projection EPSG:3857
Add swisstopo pixelkarte-farbe
Swisstopo maps are only available to authenticated users
swisstopo+https
missing include for swisstopo maps build
Reproject only layers that do not use strategies
Changed resolutions for swisstopo baselayer
Merge branch 'carto-swisstopo' of https://github.com/c2corg/camptocamp.org into carto-swisstopo

Conflicts:
	web/static/js/carto/script/c2corg/config/base.js
	web/static/js/carto/script/c2corg/widgets/Map.js
Merge branch 'carto-swisstopo'