Add SCM information to pom.xml

This is required for upload to Maven central

Change-Id: I90ec1af10b4d2c984ca8405eb3df3f05fbbb4d59
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
diff --git a/pom.xml b/pom.xml
index 6f49e0d..95a65d1 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,6 +26,11 @@
   <description>Tiny ORM</description>
   <url>https://gerrit.googlesource.com/gwtorm</url>
 
+  <scm>
+    <url>https://gerrit.googlesource.com/gwtorm</url>
+    <connection>https://gerrit.googlesource.com/gwtorm</connection>
+  </scm>
+
   <mailingLists>
     <mailingList>
       <name>repo-discuss mailing list</name>