Move capabilities into security pkg

Docker-DCO-1.1-Signed-off-by: Michael Crosby <michael@crosbymichael.com> (github: crosbymichael)

pkg/libcontainer/nsinit/init.go

@@ -11,11 +11,11 @@ import (
 	"github.com/dotcloud/docker/pkg/apparmor"
 	"github.com/dotcloud/docker/pkg/label"
 	"github.com/dotcloud/docker/pkg/libcontainer"
-	"github.com/dotcloud/docker/pkg/libcontainer/capabilities"
 	"github.com/dotcloud/docker/pkg/libcontainer/console"
 	"github.com/dotcloud/docker/pkg/libcontainer/mount"
 	"github.com/dotcloud/docker/pkg/libcontainer/network"
 	"github.com/dotcloud/docker/pkg/libcontainer/security/apparmor"
+	"github.com/dotcloud/docker/pkg/libcontainer/security/capabilities"
 	"github.com/dotcloud/docker/pkg/libcontainer/utils"
 	"github.com/dotcloud/docker/pkg/system"
 	"github.com/dotcloud/docker/pkg/user"