Add POM release configuration (#719)

Add distributionManagement needed for releasing this module to maven central.

Author: MakarovS

exonum-light-client/pom.xml

@@ -41,6 +41,27 @@
     </developer>
   </developers>
 
+  <scm>
+    <connection>scm:git:https://github.com/exonum/exonum-java-binding.git</connection>
+    <developerConnection>scm:git:[email protected]:/exonum/exonum-java-binding.git</developerConnection>
+    <url>https://github.com/exonum/exonum-java-binding</url>
+    <tag>HEAD</tag>
+  </scm>
+  <issueManagement>
+    <system>github</system>
+    <url>https://github.com/exonum/exonum-java-binding/issues</url>
+  </issueManagement>
+  <distributionManagement>
+    <snapshotRepository>
+      <id>ossrh</id>
+      <url>https://oss.sonatype.org/content/repositories/snapshots</url>
+    </snapshotRepository>
+    <repository>
+      <id>ossrh</id>
+      <url>https://oss.sonatype.org/service/local/staging/deploy/maven2/</url>
+    </repository>
+  </distributionManagement>
+
   <properties>
     <!-- Project configuration -->
     <ejb.version>0.4.0</ejb.version>