Add example of using vendor for golang

examples/tutorial/hello/go/usingdeps/.gitignore

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+vendor
+/go
+/app
+/__uberscript__
+
+func.yaml

examples/tutorial/hello/go/usingdeps/README.md

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+# Tutorial 1.2: Go Function w/ Input And Vendor Folder. (3 minutes)
+
+This example will show you how to test and deploy Go (Golang) code with vendored Dependencies to Oracle Functions. It will also demonstrate passing data in through stdin.
+
+### First, run the following commands:
+
+```sh
+#Vendor Dependencies
+glide install -v #Or what ever vendor tool you want. We have a glide.yaml for you here already.
+
+# Initialize your function creating a func.yaml file
+fn init <DOCKERHUB_USERNAME>/hello-go
+
+# Test your function. This will run inside a container exactly how it will on the server
+fn run
+
+# Now try with an input
+cat sample.payload.json | fn run
+
+# Deploy your functions to the Oracle Functions server (default localhost:8080)
+# This will create a route to your function as well
+fn deploy myapp
+```
+
+### Now call your function:
+
+```sh
+curl http://localhost:8080/r/myapp/hello-go
+```
+
+Or call from a browser: [http://localhost:8080/r/myapp/go](http://localhost:8080/r/myapp/hello-go)
+
+And now with the JSON input:
+
+```sh
+curl -H "Content-Type: application/json" -X POST -d @sample.payload.json http://localhost:8080/r/myapp/hello-go
+```
+
+That's it!
+
+### Note on Dependencies
+
+In Go, simply put them all in the `vendor/` directory.
+This example uses logrus. Put logrus in the vendor folder you can just call:
+`glide install -v`
+
+# In Review
+
+1. We piped JSON data into the function at the command line
+    ```sh
+    cat sample.payload.json | fn run
+    ```
+
+2. We received our function input through **stdin**
+    ```go
+    json.NewDecoder(os.Stdin).Decode(p)
+    ```
+
+3. We wrote our output to **stdout**
+    ```go
+    fmt.Printf("Hello")
+    ```
+
+4. We sent **stderr** to the server logs
+    ```go
+    log.Println("here")
+    ```

examples/tutorial/hello/go/usingdeps/func.go

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+package main
+
+import (
+	"encoding/json"
+	"os"
+
+	"github.com/sirupsen/logrus"
+)
+
+type Person struct {
+	Name string
+}
+
+func main() {
+	p := &Person{Name: "World"}
+	json.NewDecoder(os.Stdin).Decode(p)
+	logrus.Printf("Hello %v!\n", p.Name)
+
+	logrus.Println("---> stderr goes to the server logs.")
+	logrus.Println("---> LINE 2")
+	logrus.Println("---> LINE 3 with a break right here\nand LINE 4")
+	logrus.Println("---> LINE 5 with a double line break\n ")
+	logrus.Println("---> LINE 6")
+}

examples/tutorial/hello/go/usingdeps/glide.lock

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+hash: 08a916c742e8b0acb10f17dc5885d9572c3acdbd3c6f9fb20c745dfd93f1bbad
+updated: 2017-07-07T10:34:08.409358081-07:00
+imports:
+- name: github.com/sirupsen/logrus
+  version: ba1b36c82c5e05c4f912a88eab0dcd91a171688f
+- name: golang.org/x/sys
+  version: 6faef541c73732f438fb660a212750a9ba9f9362
+  subpackages:
+  - unix
+testImports: []

examples/tutorial/hello/go/usingdeps/glide.yaml

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+package: gitlab-odx.oracle.com/odx/functions/examples/tutorial/hello/go/usingdeps
+import:
+- package: github.com/sirupsen/logrus

examples/tutorial/hello/go/usingdeps/sample.payload.json

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+{
+    "name": "Johnny"
+}