Added module to auto create the OG group types vocabularies.
Added api documentation.
Adding tests.
Added test for the fill string function.
Added info tests. We have a problem with running tests within the command line interface: they do not seem to work good when the tested code sits within an install profile folder...
Code refactor and cleanup.
Added helper to load vocabulary by its name.
Added the category vocabulary.
Merge pull request #14 from capacity4dev/feature/CFD-19_Create_Category_vocabulary_module

CFD-19 : Create category vocabulary module