Fixing golint warnings

* Moving final return outside of if-else
* Removing type declarations that Go can infer from values
* Cleaning up some existing comments
* Changing snake_case variables to camelCase

cobra/cmd/helpers.go

@@ -196,7 +196,7 @@ func isEmpty(path string) (bool, error) {
 		if err != nil {
 			return false, err
 		}
-		list, err := f.Readdir(-1)
+		list, _ := f.Readdir(-1)
 		// f.Close() - see bug fix above
 		return len(list) == 0, nil
 	}

cobra/cmd/root.go

@@ -24,7 +24,7 @@ import (
 var cfgFile string
 var userLicense string
 
-// This represents the base command when called without any subcommands
+// RootCmd represents the base command when called without any subcommands
 var RootCmd = &cobra.Command{
 	Use:   "cobra",
 	Short: "A generator for Cobra based Applications",