Add version to manifest.

collections-webapp/pom.xml

@@ -57,6 +57,7 @@
               <git-branch>${scmBranch}</git-branch>
               <git-sha-1>${buildNumber}</git-sha-1>
               <git-repo>${scm-url}</git-repo>
+              <version>${version}</version>
             </manifestEntries>
           </archive>
         </configuration>