[Marathon] Bump go-marathon dep

attempt to remove glide from integration

glide trim

Revert "attempt to remove glide from integration"

This reverts commit c5b42b6cdebb44e730080a0cf20a871c11ef095b.

vendor/github.com/opencontainers/runc/libcontainer/system/unsupported.go

@@ -0,0 +1,9 @@
+// +build !linux
+
+package system
+
+// RunningInUserNS is a stub for non-Linux systems
+// Always returns false
+func RunningInUserNS() bool {
+	return false
+}