Update ingress godeps

vendor/github.com/spf13/cobra/README.md

@@ -22,6 +22,7 @@ Many of the most widely used Go projects are built using Cobra including:
 
 [![Build Status](https://travis-ci.org/spf13/cobra.svg "Travis CI status")](https://travis-ci.org/spf13/cobra)
 [![CircleCI status](https://circleci.com/gh/spf13/cobra.png?circle-token=:circle-token "CircleCI status")](https://circleci.com/gh/spf13/cobra)
+[![GoDoc](https://godoc.org/github.com/spf13/cobra?status.svg)](https://godoc.org/github.com/spf13/cobra) 
 
 ![cobra](https://cloud.githubusercontent.com/assets/173412/10911369/84832a8e-8212-11e5-9f82-cc96660a4794.gif)
 
@@ -171,6 +172,12 @@ func main() {
 Cobra provides its own program that will create your application and add any
 commands you want. It's the easiest way to incorporate Cobra into your application.
 
+In order to use the cobra command, compile it using the following command:
+
+    > go install github.com/spf13/cobra/cobra
+
+This will create the cobra executable under your go path bin directory!
+
 ### cobra init
 
 The `cobra init [yourApp]` command will create your initial application code
@@ -226,13 +233,27 @@ The cobra generator will be easier to use if you provide a simple configuration
 file which will help you eliminate providing a bunch of repeated information in
 flags over and over.
 
-an example ~/.cobra.yaml file:
+An example ~/.cobra.yaml file:
 
 ```yaml
 author: Steve Francia <spf@spf13.com>
 license: MIT
 ```
 
+You can specify no license by setting `license` to `none` or you can specify
+a custom license:
+
+```yaml
+license:
+  header: This file is part of {{ .appName }}.
+  text: |
+    {{ .copyright }}
+
+    This is my license. There are many like it, but this one is mine.
+    My license is my best friend. It is my life. I must master it as I must
+    master my life.  
+```
+
 ## Manually implementing Cobra
 
 To manually implement cobra you need to create a bare main.go file and a RootCmd file.