Provided a `skip_validation` option for package_{create/update} api calls (#58)
added CKAN styling to XML import form
added link functionality to from xml form
Finalized from xml INSPIRE dataset import
created to_xml controller
passing variables to controller as parameters
Moved XML/JSON export api call to controllers/api.py
Merge remote-tracking branch 'upstream/34-dataset-unified-schema' into 34-datasets
allow import from xml into already created draft dataset
Merge remote-tracking branch 'smanousopoulos/34-datasets' into merge-34-datasets
Refactored package XML imports (#35, wip)
Fixed XML serialization encoding (for dumps()) for INSPIRE objects
Implemented action package_import (XML imports, #35)
Implemented export/import to/from XML (#35).