Allow Green/Red to show properly in console Vim

In console vim prior to this mod, red worked, but green showed up Gray. I pulled the values from here:

[http://upload.wikimedia.org/wikipedia/en/1/15/Xterm_256color_chart.svg](http://upload.wikimedia.org/wikipedia/en/1/15/Xterm_256color_chart.svg)

...and they seem to work well.