Update docker-dev with 1.2.0

library/docker-dev

@@ -1,6 +1,9 @@
 # maintainer: Tianon Gravi <[email protected]> (@tianon)
 
-latest: git://github.com/docker/[email protected]
+latest: git://github.com/docker/[email protected]
+v1.2.0: git://github.com/docker/[email protected]
+v1.2:   git://github.com/docker/[email protected]
+
 v1.1.2: git://github.com/docker/[email protected]
 v1.1:   git://github.com/docker/[email protected]
 
@@ -10,7 +13,4 @@ v1.0:   git://github.com/docker/[email protected]
 v0.12.0: git://github.com/docker/[email protected]
 v0.12:   git://github.com/docker/[email protected]
 
-v0.11.1: git://github.com/docker/[email protected]
-v0.11:   git://github.com/docker/[email protected]
-
 # "supported": one tag per major version, four major versions