Update index.jade

I edited some copy and fixed the unordered lists...PLEASE double-check that I didn't screw something up at the top where the form goes...the .form-success section looks out of place and maybe I option-arrowed up or down and moved it...sorry.

Can you add a section for support that links to the external support site, and also set the support link at the top of the page to link there: https://emailgrouper.uservoice.com

Section:

Still have questions? Suggestions? [Please let us know](https://emailgrouper.uservoice.com)!
Merge branch 'master' into gh-pages