add `remove_geometrycollection` to Mootiro Importer
print some info while importing from Mootiro
minor fix
optimize mootiro migration
refactor mootiro migration
Merge pull request #111 from it3s/remove_geometrycollection

Refactor Mootiro Importer
Merge branch 'master' into geospatial_queries

Conflicts:
	app/models/concerns/relationships.rb
Merge pull request #108 from it3s/geospatial_queries

Spatial queries + filter improvements
Merge branch 'master' into geojson_tiles