Description:
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With the new TOC layout of PhD, the navigation is provided exclusively by the navigation on the right bar of the pages. While this makes good sense for phpweb, this makes chunkedhtml rather difficult to use, as it does not have a navigation sidebar, and the original TOC is now gone. 

chunkedhtml output is important because it allows those of us not interested in rolling the entire phpweb setup (not something trivial to do) to easily access the manual.

Doing this in a universal manner may be difficult. I think that we should bring back the old behavior of index.html having a full table of contents, but this may require more discussion.

Reproduce code:
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Build PhD using chunkedhtml

Expected result:
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Resulting html/index.html page has full table of contents, or navigation bars for pages are generated

Actual result:
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Chunked HTML output is only traversable through Next and Back buttons, as well as intermediate TOCs.