add go 1.4 back to travis matrix
add go 1.4 back to travis matrix

also, tweak command to make more readable, using YAML '|' heredoc format

runner-mei/revel,birkirb/revel,revel/revel,revel/revel,birkirb/revel,notzippy/revel,notzippy/revel,notzippy/revel,birkirb/revel,runner-mei/revel