Switch to new vendor directory layout

Fixes #113

Signed-off-by: Marcos Lilljedahl <marcosnils@gmail.com>

vendor/github.com/opencontainers/runc/spec_test.go

@@ -0,0 +1,39 @@
+// build +linux
+
+package main
+
+import (
+	"strings"
+	"testing"
+
+	"github.com/opencontainers/specs/specs-go"
+)
+
+func TestLinuxCgroupsPathSpecified(t *testing.T) {
+	cgroupsPath := "/user/cgroups/path/id"
+
+	spec := &specs.Spec{}
+	spec.Linux.CgroupsPath = &cgroupsPath
+
+	cgroup, err := createCgroupConfig("ContainerID", spec)
+	if err != nil {
+		t.Errorf("Couldn't create Cgroup config: %v", err)
+	}
+
+	if cgroup.Path != cgroupsPath {
+		t.Errorf("Wrong cgroupsPath, expected '%s' got '%s'", cgroupsPath, cgroup.Path)
+	}
+}
+
+func TestLinuxCgroupsPathNotSpecified(t *testing.T) {
+	spec := &specs.Spec{}
+
+	cgroup, err := createCgroupConfig("ContainerID", spec)
+	if err != nil {
+		t.Errorf("Couldn't create Cgroup config: %v", err)
+	}
+
+	if !strings.HasSuffix(cgroup.Path, "/ContainerID") {
+		t.Errorf("Wrong cgroupsPath, expected it to have suffix '%s' got '%s'", "/ContainerID", cgroup.Path)
+	}
+}