Merge remote-tracking branch 'smanousopoulos/34-datasets' into merge-34-datasets
Refactored package XML imports (#35, wip)
temp save
Fixed XML serialization encoding (for dumps()) for INSPIRE objects
polishing 2
Implemented action package_import (XML imports, #35)
added groups hover menu
minor fixes
minor fix
Implemented export/import to/from XML (#35).
Merge branch '64-geodata-theme' into dev.publicamundi.eu
Merged 34-dataset-unified-schema into dev.publicamundi.eu