Implements stats for lxc driver

Implements stats and fixes stats test.

Signed-off-by: Abin Shahab <ashahab@altiscale.com> (github: ashahab-altiscale)

integration-cli/docker_cli_events_test.go

@@ -35,7 +35,7 @@ func TestEventsContainerFailStartDie(t *testing.T) {
 
 	out, _, _ := dockerCmd(t, "images", "-q")
 	image := strings.Split(out, "\n")[0]
-	eventsCmd := exec.Command(dockerBinary, "run", "-d", "--name", "testeventdie", image, "blerg")
+	eventsCmd := exec.Command(dockerBinary, "run", "--name", "testeventdie", image, "blerg")
 	_, _, err := runCommandWithOutput(eventsCmd)
 	if err == nil {
 		t.Fatalf("Container run with command blerg should have failed, but it did not")

integration-cli/docker_cli_help_test.go

@@ -58,8 +58,8 @@ func TestHelpWidth(t *testing.T) {
 			if len(line) > 80 {
 				t.Fatalf("Line is too long(%d chars):\n%s", len(line), line)
 			}
-			if scanForHome && strings.Contains(line, `=`+home) {
-				t.Fatalf("Line should use '%q' instead of %q:\n%s", homedir.GetShortcutString(), home, line)
+			if home != "" && strings.Contains(line, home) {
+				t.Fatalf("Help for %q should use ~ instead of %q on:\n%s", command, home, line)
 			}
 			if runtime.GOOS != "windows" {
 				i := strings.Index(line, homedir.GetShortcutString())