Rename lic and lics to have more descriptive names
Rename lic and lics to have more descriptive names

datapackages/datapackage-py,datapackages/datapackage-py,okfn/datapackage-py,sirex/datapackage-py,sirex/datapackage-py,okfn/datapackage-model-py,okfn/datapackage-py,okfn/datapackage-model-py