ADD find/create CKAN dataset (package) basic functionality
ADD stubs for the other functionality of the CKAN sink
ADD complete functionality, except for out-of-band resource creation in the dataset
REFACTOR CKAN sink classes
ADD notification scripts for Cygnus testing
ADD documentation changes for OrionCKANSink
FIX typos in README.md
FIX issues raised during code review
FIX typos
Merge pull request #31 from telefonicaid/feature/ckan_sink

CKAN sink
Merge branch 'develop' into feature/json-like-persistency
Fix the README.md according to the last changes