490133: Integration of sonatype OSS deployment configuration (https://bugs.eclipse.org/bugs/show_bug.cgi?id=490133)

Sonatype OSS compliance adaptations:
 - added <url> to <scm>
diff --git a/pom.xml b/pom.xml
index b54eb60..3f1786b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -105,6 +105,7 @@
     <!--</ciManagement>-->
 
     <scm>
+        <url>http://git.eclipse.org/c/gemini.blueprint/org.eclipse.gemini.blueprint.git/</url>
         <connection>scm:git:git//git.eclipse.org/gitroot/gemini.blueprint/org.eclipse.gemini.blueprint.git</connection>
         <developerConnection>scm:git:ssh://{user.name}@git.eclipse.org/gitroot/gemini.blueprint/org.eclipse.gemini.blueprint.git</developerConnection>
     </scm>