Get rid of Geotrek specific notions (ref #35)
Show enumeration on map when layer has several objects (ref #35)
Now all grouped under mapentity_tags template tag library
Imported valuelist template tag from Geotrek
Clean deletion of Leaflet.TextPath submodule
Show enumeration in detail pages too (ref #35)
Show objects numbering on print detail maps (fixes #35)
Expose alphabet enumeration in helpers (ref #35)
Fix GPX serializer
Merge pull request #85 from makinacorpus/35_detail_objects_numbering

Detail objects numbering (fixes #35)