Consider adding Javadoc and Download to top menus

[Alex-Cook4]

I think the documentation site would be improved by adding a Javadoc link to the right of Documentation in the top-left menus.

Also, I think a Download button that takes you to the releases page would also be helpful in the top right.

Talking about this section:

If people agree, I can put a pull-request together.

[kathyssaunders]

Sounds great to me. Also, I had assigned this issue to me #37 and was going to look at it tomorrow If you are interested while you are working on this page, please feel free to make some changes to address #37 as well. If not, I'll work on it soon.