Use requirements.dev.txt instead of requirements.txt
Use requirements.dev.txt instead of requirements.txt

Since datapackage use has no external dependencies there is no
requirements.txt but there is a requirements.dev.txt because the
only dependencies that datapackage has, have to do with
development dependencies.

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