Fix add tree links on profile and map header
Add default CartoCSS files

The default cartography for the tiler that matches the coloring of the
default site style.
Merge pull request #397 from jwalgran/fix/add-tree-on-profile

Fix add tree links on profile and map header
Merge pull request #398 from jwalgran/topic/add-carto-css-files

Add default CartoCSS files
Merge pull request #427 from maurizi/topic/minorFixes

Minor fixes
Add street view to plot detail if the instance base map is google maps