[Chaco] Few tweaks to correct new quickstart page.
[Chaco] Few tweaks to correct new quickstart page.

burnpanck/chaco,burnpanck/chaco,ContinuumIO/chaco,tommy-u/chaco,tommy-u/chaco,ContinuumIO/chaco,ContinuumIO/chaco,burnpanck/chaco,ContinuumIO/chaco,tommy-u/chaco