Update the vendor folder (#53)

* Update the vendor folder

* Update the Gopkg.lock by running dep ensure

vendor/github.com/opencontainers/runc/man/runc-list.8.md

@@ -0,0 +1,14 @@
+# NAME
+   runc list - lists containers started by runc with the given root
+
+# SYNOPSIS
+   runc list [command options] [arguments...]
+
+# DESCRIPTION
+   The default format is table.  The following will output the list of containers
+in json format:
+
+    # runc list -f json
+
+# OPTIONS
+   --format, -f         select one of: table or json.