Upgrade go to 1.6.2
Release notes: https://golang.org/doc/go1.6 It's not a security requirement or anything, but we're currently on 1.4.3 and don't want to fall too far behind.
Release notes: https://golang.org/doc/go1.6 It's not a security requirement or anything, but we're currently on 1.4.3 and don't want to fall too far behind.