spotify/helios — pull request #34 by danielnorberg (2014-06-25 18:27:02+00:00)
Title: cli: hosts: print docker x.yy.zzz version only

The cli currently prints something like:

DockerVersion{apiVersion=1.12, arch=amd64, gitCommit=688b5cf-dirty,
goVersion=go1.2.1, kernelVersion=3.13.0-24-generic, os=linux,
version=1.0.0} (1.12)

We want something like: 1.0.0 (1.12)