Add format functions

Add functions to go templates such as truncating a field.  Also add
the table keyword, which, if placed at the beginning of a format string,
adds headers to the output

Signed-off-by: Ryan Cole <rcyoalne@gmail.com>

cmd/kpod/common.go

@@ -1,8 +1,11 @@
 package main
 
 import (
+	"strings"
+
 	is "github.com/containers/image/storage"
 	"github.com/containers/storage"
+	"github.com/fatih/camelcase"
 	"github.com/kubernetes-incubator/cri-o/libkpod"
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli"
@@ -53,3 +56,8 @@ func getConfig(c *cli.Context) (*libkpod.Config, error) {
 
 	return config, nil
 }
+
+func splitCamelCase(src string) string {
+	entries := camelcase.Split(src)
+	return strings.Join(entries, " ")
+}