Update sl container for sl7 to current (build-date=20180510)
@@ -8,7 +8,7 @@ Tags: 7, latest
Architectures: amd64
GitFetch: refs/heads/7
Directory: sl7
-GitCommit: 07363f7d232403041802d04b811079229f3fefbd
+GitCommit: cc19070a8d75c826af21c28251d409b1463d747f
# For the SL6 container
Tags: 6
Tianon Gravi