Fix right column & continue convo button

- Insert panels
- Create classes for right boxes and format
- Add div for Continue Convo button and center
- Attempt to make group pic image the same at all sizes. It's better but need to
  figure out how to maintain ratio.
Change Continue the Conversation button

Removes "Join our email list" per #42
Merge branch 'addvid' into gh-pages

Hope I'm not messing up. Trying to merge addvid into gh-pages so I can push to remotes.

Conflicts:
	index.html