Merge pull request #6 from apache/build_on_branches

This PR attempts to build on non-master branches.
diff --git a/Jenkinsfile b/Jenkinsfile
index d45a607..83a3e32 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -16,13 +16,14 @@
 		stage('SCM Checkout') {
 			when {
 				anyOf {
-					branch 'master'
+//					branch 'master'
 					changeRequest target: 'master'
 				}
 			}
 			steps {
 				deleteDir()
 				checkout scm
+//				sh 'git submodule update --init --recursive'
 			}
 		}
 
@@ -69,7 +70,6 @@
 				}
 			}
 			steps {
-				sh 'git submodule update --init --recursive'
 				sh '''
 				. "${rvm_path}/scripts/rvm"
 				set -e