Convert swarm to newer 2822-based format

library/swarm

@@ -1,10 +1,9 @@
-# maintainer: Alexandre Beslic <[email protected]> (@abronan)
-# maintainer: Andrea Luzzardi <[email protected]> (@aluzzardi)
-# maintainer: Dong Chen<[email protected]> (@dongluochen)
-# maintainer: Nishant Totla<[email protected]> (@nishanttotla)
-# maintainer: Victor Vieux <[email protected]> (@vieux)
+Maintainers: Alexandre Beslic <[email protected]> (@abronan),
+             Andrea Luzzardi <[email protected]> (@aluzzardi),
+             Dong Chen <[email protected]> (@dongluochen),
+             Nishant Totla <[email protected]> (@nishanttotla),
+             Victor Vieux <[email protected]> (@vieux)
+GitRepo: https://github.com/docker/swarm-library-image.git
 
-
-1.2.4: git://github.com/docker/swarm-library-image@ad016670d877529ab32e7ef2a1323777a06cb46a
-1.2.5: git://github.com/docker/swarm-library-image@67e6cf4171fcabd2e3b8b809105e7dfb15114ce1
-latest: git://github.com/docker/swarm-library-image@67e6cf4171fcabd2e3b8b809105e7dfb15114ce1
+Tags: 1.2.5, latest
+GitCommit: 67e6cf4171fcabd2e3b8b809105e7dfb15114ce1