Upgrade to new Sonatype build infrastructure. (#49)

Resolves: https://fedora-repository.atlassian.net/browse/FCREPO-3794

pom.xml

@@ -21,7 +21,7 @@
   <repositories>
     <repository>
       <id>snapshots-repo</id>
-      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+      <url>https://${sonatype.host}/content/repositories/snapshots</url>
       <releases>
         <enabled>false</enabled>
       </releases>
@@ -31,6 +31,22 @@
     </repository>
   </repositories>
 
+  <distributionManagement>
+
+    <repository>
+      <id>sonatype-releases</id>
+      <name>Sonatype Release Staging Maven Repository</name>
+      <url>https://${sonatype.host}/service/local/staging/deploy/maven2</url>
+    </repository>
+
+    <snapshotRepository>
+      <id>sonatype-snapshots</id>
+      <name>Sonatype Snapshots Maven Repository</name>
+      <url>https://${sonatype.host}/content/repositories/snapshots</url>
+    </snapshotRepository>
+
+  </distributionManagement>
+
   <properties>
     <project_name>fcrepo-upgrade-utils</project_name>
     <project_organization>fcrepo-exts</project_organization>
@@ -53,6 +69,7 @@
     <commons-collections.version>4.4</commons-collections.version>
     <ocfl-java.version>1.3.1</ocfl-java.version>
     <httpclient.version>4.5.13</httpclient.version>
+    <sonatype.host>s01.oss.sonatype.org</sonatype.host>
   </properties>
 
   <scm>