Add Security information to podman info

When debugging issues, it would be helpful to know the
security settings of the system running into the problem.
Adding security info to `podman info` is also useful to users.

Signed-off-by: Daniel J Walsh <dwalsh@redhat.com>

vendor/github.com/containers/common/pkg/config/containers.conf

@@ -380,7 +380,7 @@ default_sysctls = [
 
 # Directory for temporary files. Must be tmpfs (wiped after reboot)
 #
-# tmp_dir = "/var/run/libpod"
+# tmp_dir = "/run/libpod"
 
 # Directory for libpod named volumes.
 # By default, this will be configured relative to where containers/storage

vendor/github.com/containers/common/pkg/config/default.go

@@ -320,7 +320,7 @@ func defaultConfigFromMemory() (*EngineConfig, error) {
 
 func defaultTmpDir() (string, error) {
 	if !unshare.IsRootless() {
-		return "/var/run/libpod", nil
+		return "/run/libpod", nil
 	}
 
 	runtimeDir, err := getRuntimeDir()

vendor/github.com/containers/common/pkg/seccomp/seccomp_unsupported.go

@@ -1,10 +1,10 @@
-// +build !seccomp
+// +build !linux !seccomp
 
 // SPDX-License-Identifier: Apache-2.0
 
 // Copyright 2013-2018 Docker, Inc.
 
-package seccomp 
+package seccomp
 
 import (
 	"errors"
@@ -38,3 +38,9 @@ func LoadProfileFromConfig(config *Seccomp, specgen *specs.Spec) (*specs.LinuxSe
 func IsEnabled() bool {
 	return false
 }
+
+// IsSupported returns true if the system has been configured to support
+// seccomp.
+func IsSupported() bool {
+	return false
+}

vendor/github.com/containers/common/pkg/seccomp/supported.go

@@ -1,4 +1,4 @@
-// +build !windows
+// +build linux,seccomp
 
 package seccomp
 

vendor/github.com/containers/common/version/version.go

@@ -1,4 +1,4 @@
 package version
 
 // Version is the version of the build.
-const Version = "0.31.2-dev"
+const Version = "0.31.2"