Bump libcompose to version with oom_score_adj support

trash.conf

@@ -10,7 +10,7 @@ github.com/docker/docker b40c87254f587af7cad8e8128f061a2a7f367343 https://github
 github.com/docker/engine-api v0.3.3
 github.com/docker/go-connections v0.2.0
 github.com/docker/go-units 651fc226e7441360384da338d0fd37f2440ffbe3
-github.com/docker/libcompose 2987bb539b670b71a33575bdee00bd351be60f20 https://github.com/rancher/libcompose.git
+github.com/docker/libcompose ff6233ed789125e6e6e2e9b944d50a2bd8975e48 https://github.com/burmilla/libcompose.git
 github.com/docker/libnetwork v0.5.6
 github.com/docker/machine 4a8e93ac9bc2ced1c3bc4a43c03fdaa1c2749205
 github.com/flynn/go-shlex 3f9db97f856818214da2e1057f8ad84803971cff

vendor/github.com/docker/libcompose/config/schema.go

@@ -357,6 +357,7 @@ var schemaV2 = `{
             }
           ]
         },
+        "oom_score_adj": {"type": "integer", "minimum": -1000, "maximum": 1000},
         "pid": {"type": ["string", "null"]},
 
         "ports": {

vendor/github.com/docker/libcompose/config/types.go

@@ -46,6 +46,7 @@ type ServiceConfigV1 struct {
 	MemSwapLimit  int64                `yaml:"memswap_limit,omitempty"`
 	Name          string               `yaml:"name,omitempty"`
 	Net           string               `yaml:"net,omitempty"`
+	OomScoreAdj   int                  `yaml:"oom_score_adj,omitempty"`
 	Pid           string               `yaml:"pid,omitempty"`
 	Uts           string               `yaml:"uts,omitempty"`
 	Ipc           string               `yaml:"ipc,omitempty"`
@@ -115,6 +116,7 @@ type ServiceConfig struct {
 	MemSwapLimit  int64                `yaml:"memswap_limit,omitempty"`
 	NetworkMode   string               `yaml:"network_mode,omitempty"`
 	Networks      []string             `yaml:"networks,omitempty"`
+	OomScoreAdj   int                  `yaml:"oom_score_adj,omitempty"`
 	Pid           string               `yaml:"pid,omitempty"`
 	Ports         []string             `yaml:"ports,omitempty"`
 	Privileged    bool                 `yaml:"privileged,omitempty"`

vendor/github.com/docker/libcompose/docker/convert.go

@@ -192,6 +192,7 @@ func Convert(c *config.ServiceConfig, ctx project.Context) (*container.Config, *
 		},
 		NetworkMode:    container.NetworkMode(c.NetworkMode),
 		ReadonlyRootfs: c.ReadOnly,
+		OomScoreAdj:    c.OomScoreAdj,
 		PidMode:        container.PidMode(c.Pid),
 		UTSMode:        container.UTSMode(c.Uts),
 		IpcMode:        container.IpcMode(c.Ipc),