Merge pull request #776 from ndeloof/patch-15

Update Jenkins to 1.609.1

library/jenkins

@@ -1,6 +1,6 @@
 # maintainer: Nicolas De Loof <[email protected]> (@ndeloof)
 # maintainer: Michael Neale <[email protected]> (@michaelneale)
 
-latest: git://github.com/jenkinsci/jenkins-ci.org-docker@8f909abee98247ad482efb6d21833e2054e3e9de
-1.596.2: git://github.com/jenkinsci/jenkins-ci.org-docker@8f909abee98247ad482efb6d21833e2054e3e9de
+latest: git://github.com/jenkinsci/jenkins-ci.org-docker@1f0d2b7d5b69aed1b0af7916ca46d35b249c1c86
+1.609.1: git://github.com/jenkinsci/jenkins-ci.org-docker@1f0d2b7d5b69aed1b0af7916ca46d35b249c1c86