docs: bump Go requirement from 1.6.x to 1.7.x in contributing
@@ -43,7 +43,7 @@ You can develop OpenShift 3 on Windows, Mac, or Linux, but you'll need Docker in
Here's how to get set up:
1. For Go, Git and optionally also Docker, follow the links below to get to installation information for these tools: +
-** http://golang.org/doc/install[Installing Go]. Currently, OpenShift supports building using Go 1.6.x. Do NOT use $HOME/go for Go installation, save that for the Go workspace below.
+** http://golang.org/doc/install[Installing Go]. Currently, OpenShift supports building using Go 1.7.x. Do NOT use $HOME/go for Go installation, save that for the Go workspace below.
** http://git-scm.com/book/en/v2/Getting-Started-Installing-Git[Installing Git]
** https://docs.docker.com/installation/[Installing Docker]
+
