removed branch info, new branch strategy coming up [skip ci]
fix for checking sterr, thanks @jordibuj #352
2.5.2 coming up
Merge branch 'master' of github.com:sitespeedio/sitespeed.io
now correct info
Merge branch '2.6-wip'
allow for user-specific config file

In this way the defaults can be overriden/changed making usage more
concises.
Merge branch 'AD7six-allow-user-config-file' into 2.6-wip
tell the world when a locan config file is used
define summary and columns early, so you understand why they are used