Merge pull request #6194 from scientificlinux/sl6

Update sl container for sl6 to current (build-date=20190701)

library/sl

@@ -8,11 +8,11 @@ Tags: 7, latest
 Architectures: amd64
 GitFetch: refs/heads/7
 Directory: sl7
-GitCommit: 6f0afe07c9abcb8952c22ab76ed69d1fc757602e
+GitCommit: 0d8792816e36ec1a2f2023f48858737f6d683680
 
 # For the SL6 container
 Tags: 6
 Architectures: amd64
 GitFetch: refs/heads/6
 Directory: sl6
-GitCommit: 5288d401c76c12025e0495265067ad6a912b59ce
+GitCommit: 098732d7f64270125a178194dbc0847bd99c1215