Adding tutorial prerequisites and correcting routes (#423)

* Adding tutorial prerequisites and correcting routes

* Correcting Quickstart link in README.md

* Minor edit to trigger pull request

examples/tutorial/README.md

@@ -3,6 +3,18 @@
 
 Welcome to the Fn Getting Started Series, the best way to get started with Fn and serverless computing.
 
+## Prequisites
+* [Quickstart](../../README.md) has been completed.
+
+When starting a new shell, remember to: 
+
+```
+# Log Docker into your Docker Hub account
+docker login
+
+# Set your Docker Hub username
+export FN_REGISTRY=<DOCKERHUB_USERNAME>
+```
 
 ## Hello World Examples
 

examples/tutorial/hello/go/README.md

@@ -22,15 +22,15 @@ fn deploy --app myapp
 ### Now call your function:
 
 ```sh
-curl http://localhost:8080/r/myapp/hello-go
+curl http://localhost:8080/r/myapp/go
 ```
 
-Or call from a browser: [http://localhost:8080/r/myapp/go](http://localhost:8080/r/myapp/hello-go)
+Or call from a browser: [http://localhost:8080/r/myapp/go](http://localhost:8080/r/myapp/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
+curl -H "Content-Type: application/json" -X POST -d @sample.payload.json http://localhost:8080/r/myapp/go
 ```
 
 That's it!

examples/tutorial/hello/node/README.md

@@ -22,15 +22,15 @@ fn deploy --app myapp
 ### Now call your function:
 
 ```sh
-curl http://localhost:8080/r/myapp/hello-node
+curl http://localhost:8080/r/myapp/node
 ```
 
-Or call from a browser: [http://localhost:8080/r/myapp/hello-node](http://localhost:8080/r/myapp/hello-node)
+Or call from a browser: [http://localhost:8080/r/myapp/node](http://localhost:8080/r/myapp/node)
 
 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-node
+curl -H "Content-Type: application/json" -X POST -d @sample.payload.json http://localhost:8080/r/myapp/node
 ```
 
 That's it! Our `fn deploy` packaged our function and sent it to the Fn server. Try editing `func.js` 

examples/tutorial/hello/php/README.md

@@ -22,15 +22,15 @@ fn deploy --app myapp
 ### Now call your function:
 
 ```sh
-curl http://localhost:8080/r/myapp/hello-php
+curl http://localhost:8080/r/myapp/php
 ```
 
-Or call from a browser: [http://localhost:8080/r/myapp/hello-php](http://localhost:8080/r/myapp/hello-php)
+Or call from a browser: [http://localhost:8080/r/myapp/php](http://localhost:8080/r/myapp/php)
 
 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-php
+curl -H "Content-Type: application/json" -X POST -d @sample.payload.json http://localhost:8080/r/myapp/php
 ```
 
 That's it! Our `fn deploy` packaged our function and sent it to the Fn server. Try editing `func.php` 

examples/tutorial/hello/python/README.md

@@ -22,15 +22,15 @@ fn deploy --app myapp
 ### Now call your function:
 
 ```sh
-curl http://localhost:8080/r/myapp/hello-python
+curl http://localhost:8080/r/myapp/python
 ```
 
-Or call from a browser: [http://localhost:8080/r/myapp/hello-python](http://localhost:8080/r/myapp/hello-python)
+Or call from a browser: [http://localhost:8080/r/myapp/python](http://localhost:8080/r/myapp/python)
 
 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-python
+curl -H "Content-Type: application/json" -X POST -d @sample.payload.json http://localhost:8080/r/myapp/python
 ```
 
 That's it! Our `fn deploy` packaged our function and sent it to the Fn server. Try editing `func.py` 

examples/tutorial/hello/ruby/README.md

@@ -22,15 +22,15 @@ fn deploy --app myapp
 ### Now call your function:
 
 ```sh
-curl http://localhost:8080/r/myapp/hello-ruby
+curl http://localhost:8080/r/myapp/ruby
 ```
 
-Or call from a browser: [http://localhost:8080/r/myapp/hello-ruby](http://localhost:8080/r/myapp/hello-ruby)
+Or call from a browser: [http://localhost:8080/r/myapp/ruby](http://localhost:8080/r/myapp/ruby)
 
 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-ruby
+curl -H "Content-Type: application/json" -X POST -d @sample.payload.json http://localhost:8080/r/myapp/ruby
 ```
 
 That's it! Our `fn deploy` packaged our function and sent it to the Fn server. Try editing `func.rb` 

examples/tutorial/hello/rust/README.md

@@ -49,15 +49,15 @@ fn deploy --app myapp
 ### Now call your function:
 
 ```sh
-curl http://localhost:8080/r/myapp/hello-rust
+curl http://localhost:8080/r/myapp/rust
 ```
 
-Or call from a browser: [http://localhost:8080/r/myapp/hello-rust](http://localhost:8080/r/myapp/hello-rust)
+Or call from a browser: [http://localhost:8080/r/myapp/rust](http://localhost:8080/r/myapp/rust)
 
 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-rust
+curl -H "Content-Type: application/json" -X POST -d @sample.payload.json http://localhost:8080/r/myapp/rust
 ```
 
 That's it!