restore distribution management (#809)

Author: wing328

pom.xml

@@ -57,6 +57,19 @@
         <tag>HEAD</tag>
     </scm>
 
+    <distributionManagement>
+        <snapshotRepository>
+            <id>sonatype-nexus-snapshots</id>
+            <name>Sonatype Nexus snapshot repository</name>
+            <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+        </snapshotRepository>
+        <repository>
+            <id>sonatype-nexus-staging</id>
+            <name>Sonatype Nexus release repository</name>
+            <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+        </repository>
+    </distributionManagement>
+
     <properties>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>