Minor adjustment of Csearch page.

```
Not really a issue. But request.

I see that "Emacs editor integration" is promimently mentioned on the homepage
of codesearch. In that case, I would recommend to add

"Vim editor integration" too, link:
https://github.com/junkblocker/unite-codesearch

Thanks in advance.
```

Original issue reported on code.google.com by `renefrog...@gmail.com` on 30 Oct 2014 at 6:07