Announce new nikita.

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+Title: Nikita version 0.5 released - updated free software archive API server
+Tags: english, standard, nuug, offentlig innsyn, noark5
+Date: 2020-03-02 17:30
+
+<p>Today, after many months of development, a new release of
+<ahref="https://gitlab.com/OsloMet-ABI/nikita-noark5-core/">Nikita
+Noark 5 core project</a> was finally
+<ahref="https://lists.nuug.no/pipermail/nikita-noark/2020-March/000519.html">announced
+on the project mailing list</a>.  The Nikita free software solution is
+an implementation of the Norwegian archive standard Noark 5 used by
+government offices in Norway.  These were the changes in version 0.5
+since version 0.4, see the email link above for links to a demo
+site:</p>
+
+<ul>
+
+  <li>Updated to Noark 5 versjon 5.0 API specification.
+    <ul>
+      <li>Changed formatting of _links from [] to {} to match IETF draft
+      on JSON HAL.</li>
+      <li>Merged Registrering og Basisregistrering in version 4 to
+      combined Registrering.</li>
+      <li>DokumentObjekt is now subtype of ArkivEnhet.</li>
+      <li>Introducing new entity Arkivnotat.</li>
+      <li>Changed all relation keys to use /v5/ instead of /v4/.</li>
+      <li>Corrected to use new official relation keys when possible.</li>
+      <li>Renamed Sakspart to Part and connect it to Mappe, Registrering
+      and Dokumentbeskrivelse instead of only Saksmappe.</li>
+      <li>Moved Korrespondansepart connection from Journalpost to
+      Registrering.</li>
+      <li>Moved Part and Korrespondansepart from package sakarkiv to
+      arkivstruktur.</li>
+      <li>Renamed presedensstatus to presedensStatus.</li>
+      <li>Use new JSON content-type "application/vnd.noark5+json".</li>
+      <li>Updated prepopulated format list to use PRONOM codes.</li>
+      <li>Implemented endpoint for system information.</li>
+      <li>Implemented national identifiers for both file and record.</li>
+      <li>Implemented comments.</li>
+      <li>implemented sign off.</li>
+      <li>implemented conversion.</li>
+    </ul></li>
+  <li>Improved/implemented OData search and paging support for more entities.</li>
+  <li>No longer exposes attribute Dokumentobjekt.referanseDokumentfil,
+   one should use the relation in _links instead.</li>
+  <li>Corrected relation keys under
+   https://rel.arkivverket.no/noark5/v5/api/administrasjon/, replacing
+   'administrasjon' with 'admin'.</li>
+  <li>Fixed several security and stability issues discovered by Coverity.</li>
+  <li>Corrected handling ETag errors, now return code 409.</li>
+  <li>Improved handling of Kryssreferanse.</li>
+  <li>Changed internal database model to use UUID/SystemID as primary keys
+   in tables.</li>
+  <li>Changed internal database table names to use package prefix.</li>
+  <li>Changed time zone handling for date and datetime attributes, to be
+   more according to the new definition in the API specification.</li>
+  <li>Change revoke-token to only drop token on POST requests, not GET.</li>
+  <li>Updated to newer Spring version.</li>
+  <li>Changed primary key and URL component for metadata code lists to
+   use the 'kode' value instead of a SystemID.</li>
+  <li>Corrected implementation of Part and Sakspart.</li>
+  <li>Changed instance lists with subtypes (like .../registrering/ and
+   .../mappe/) to include the attributes and _links entries for the
+   subtype in the supertype lists.</li>
+  <li>Adjusted _links relations to make it possible to figure out the
+   entity of an instance using the self->href->relation key lookup
+   method.</li>
+  <li>Fixed several end points to make sure GET, PUT, POST and DELETE
+   match each other.</li>
+  <li>Updated DELETE endpoints to work with UUID based entity
+   identifiers.</li>
+  <li>Restructured code to use more common URL related constants in entry
+   point values and replace @RequestMapping with method specific
+   annotations.</li>
+  <li>Added first unit test code.</li>
+  <li>Updated web GUI to work with the updated API.</li>
+  <li>Changed integer fields, enforce them as numeric.</li>
+  <li>Rewrote and simplify metadata handling to use common service and
+   controller code instead of duplicating for each type.</li>
+  <li>Implemented the remaining metadata types.</li>
+  <li>Changed Country list source from Wikipedia to Debian iso-codes and
+   updated the list of Countries.</li>
+  <li>Many many corrections and improvements.</li>
+
+</ul>
+
+<p>If free and open standardized archiving API sound interesting to
+you, please contact us on IRC
+(<a href="irc://irc.freenode.net/%23nikita">#nikita on
+irc.freenode.net</a>) or email
+(<a href="https://lists.nuug.no/mailman/listinfo/nikita-noark">nikita-noark
+mailing list</a>).</p>
+
+<p>As usual, if you use Bitcoin and want to show your support of my
+activities, please send Bitcoin donations to my address
+<b><a href="bitcoin:15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b">15oWEoG9dUPovwmUL9KWAnYRtNJEkP1u1b</a></b>.</p>