renaming s2_labellable -> s2_labeling_module (+spec)
adding the s2_labellable_resource (partial implementation)
adding the s2_labellable_resource, adding tests
Merge branch 'master' of https://github.com/sanger/S2Mapper
fix on the debug level
Merge pull request #83 from benoitmangili/labellables_as_resource

Labellables as resource