It's Go 1.6 now

[ci skip]

CONTRIBUTING.md

@@ -6,7 +6,7 @@ This project adheres to the [Open Code of Conduct][code-of-conduct]. By particip
 
 You will need:
 
-1. Go 1.5 or better
+1. Go 1.6 or better
 1. Ruby 1.9+
 2. git 1.8+
 3. tmux & zsh (optional) - for running shell completion tests

README.md

@@ -50,6 +50,13 @@ $ cd hub
 $ ./script/build -o ~/bin/hub
 ~~~
 
+Or, if you've done Go development before and your $GOPATH/bin
+directory is already in your PATH:
+
+~~~ sh
+$ go get github.com/github/hub
+~~~
+
 Aliasing
 --------