ATLAS-2857:Fix Atlas release version in /api/atlas/version API.

webapp/src/main/java/org/apache/atlas/web/resources/AdminResource.java

@@ -187,6 +187,7 @@ public class AdminResource {
 
                 Map<String, Object> response = new HashMap<String, Object>();
                 response.put("Version", configProperties.getString("build.version", "UNKNOWN"));
+                response.put("Revision",configProperties.getString("vc.revision", "UNKNOWN"));
                 response.put("Name", configProperties.getString("project.name", "apache-atlas"));
                 response.put("Description", configProperties.getString("project.description",
                         "Metadata Management and Data Governance Platform over Hadoop"));

webapp/src/main/resources/atlas-buildinfo.properties

@@ -22,7 +22,7 @@ project.description=${pom.parent.description}
 build.user=${user.name}
 build.epoch=${timestamp}
 project.version=${pom.version}
-build.version=${pom.version}-r${buildNumber}
+build.version=${pom.version}
 vc.revision=${buildNumber}
 vc.source.url=${scm.connection}
 ######################