version pinned correctly

Version is now pinned corectly in apt-get, and other efficiently improvements by @tianon.

library/jenkins

@@ -1,7 +1,7 @@
 # maintainer: Michael Neale <[email protected]> (@michaelneale)
 
-latest: git://github.com/cloudbees/jenkins-ci.org-docker@83e5d480b474b7135b08e6837b0c2d5b6e1de135
-1.565: git://github.com/cloudbees/jenkins-ci.org-docker@83e5d480b474b7135b08e6837b0c2d5b6e1de135
-1.565.2: git://github.com/cloudbees/jenkins-ci.org-docker@83e5d480b474b7135b08e6837b0c2d5b6e1de135
+latest: git://github.com/cloudbees/jenkins-ci.org-docker@fcb9f81de50cb6f7af1adda22b67f59bfc15e459
+1.565: git://github.com/cloudbees/jenkins-ci.org-docker@fcb9f81de50cb6f7af1adda22b67f59bfc15e459
+1.565.2: git://github.com/cloudbees/jenkins-ci.org-docker@fcb9f81de50cb6f7af1adda22b67f59bfc15e459