Revert "Comment out test that occasionally fails on travis"

This reverts commit 7fb7dcb8a96b874a9889a814e8233b0d3fc0c3eb.
Use title instead of alt in a link
Improve html validation by not putting certain tags inside p
Improve validation by removing empty h1 tag
Improve html validation by fixing a few table issues
Format a page layout using the grid rather than a table
A couple of small html validation fixes