Test integration of icoscp_core

[ZogopZ]

Find out if icoscp_core can easily replace these next foundational points in the current icoscp 0.1.19 :

• resourcification (instead of envrification)
• data & metadata access
• http authenticated access vs jupyter open access

Things to address:

• Should the validity of a PID be verified at the icoscp_core level or at the icoscp level?
• From the landing page of a data object someone can grab metadata in various formats (json, ttl, xml, iso19115). Should this functionality be implemented in the icoscp_core library or rather provide the code for such conversions?
• Deprecate dobj.id or Dobj.dobj properties. Both of these return the dobj. The dobj.id might cause confusion with the built-in id() function.
• Comparing the "old way" (get request via the icoscp lib) and the "new way" (http request via the icoscp_core lib), it seems like class attribute coverageGeo is missing from the declaration of DataObject class in metacore.py
• What about stilt authentication (which goes through atmo access)?