Change doap:license to https://unlicense.org/.

Author: gkellogg

etc/doap.ttl

@@ -9,15 +9,15 @@
 <rdf-ldp> a doap:Project ;
   doap:name          "RDF::LDP" ;
   doap:homepage      <https://github.com/ruby-rdf/rdf-ldp> ;
-  doap:license       <https://creativecommons.org/licenses/publicdomain/> ;
+  doap:license       <https://unlicense.org/> ;
   doap:shortdesc     "A suite of LDP software and middleware for RDF.rb" ;
   doap:description   "Implements a Linked Data Platform domain model, Rack middleware for server implementers, and a simple Sinatra-based server for RDF.rb" ;
   doap:created       "2015-07-17"^^xsd:date ;
   doap:programming-language "Ruby" ;
-  doap:category      <http://dbpedia.org/resource/Resource_Description_Framework>,
-                     <http://dbpedia.org/resource/Linked_Data_Platform>,
-                     <http://dbpedia.org/resource/Ruby_(programming_language)> ;
-  doap:implements    <http://www.w3.org/TR/ldp/> ;
+  doap:category      <https://dbpedia.org/resource/Resource_Description_Framework>,
+                     <https://dbpedia.org/resource/Linked_Data_Platform>,
+                     <https://dbpedia.org/resource/Ruby_(programming_language)> ;
+  doap:implements    <https://www.w3.org/TR/ldp/> ;
   doap:bug-database  <https://github.com/ruby-rdf/rdf-ldp/issues> ;
   doap:vendor        <https://github.com/orgs/ruby-rdf/teams/ldp#team> ;
   doap:developer     <https://github.com/no-reply#self> ;
@@ -29,14 +29,14 @@
 <lamprey> a doap:Project ;
   doap:name          "Lamprey" ;
   doap:homepage      <https://rubygems.org/gems/rdf-ldp> ;
-  doap:license       <http://creativecommons.org/licenses/publicdomain/> ;
+  doap:license       <https://unlicense.org/> ;
   doap:shortdesc     "A Ruby LDP server based on RDF.rb, RDF::LDP, and Sinatra." ;
   doap:created       "2015-07-17"^^xsd:date ;
   doap:programming-language "Ruby" ;
   doap:category      <http://dbpedia.org/resource/Resource_Description_Framework>,
                      <http://dbpedia.org/resource/Linked_Data_Platform>,
                      <http://dbpedia.org/resource/Ruby_(programming_language)> ;
-  doap:implements    <http://www.w3.org/TR/ldp/> ;
+  doap:implements    <https://www.w3.org/TR/ldp/> ;
   doap:bug-database  <https://github.com/ruby-rdf/rdf-ldp/issues> ;
   doap:vendor        <https://github.com/orgs/ruby-rdf/teams/ldp#team> ;
   doap:developer     <https://github.com/no-reply#self> ;