Feature: option for disable OOM killer

Add cgroup support for disable OOM killer.

Signed-off-by: Hu Keping <hukeping@huawei.com>

types/types.go

@@ -156,6 +156,7 @@ type Info struct {
 	IPv4Forwarding     bool
 	Debug              bool
 	NFd                int
+	OomKillDisable     bool
 	NGoroutines        int
 	SystemTime         string
 	ExecutionDriver    string