* Adjust Hx so generated table of contents is more rational.
* Fix HTML validation errors.
* Adjust Hx to produce sane TOC.
* Improve formatting and fix some formatting oddities.
* HTML formatting updates.
* Replace some Modules' documentation with other CPAN Modules.

Some of these CPAN Modules are really large and add too much to what is supposed to be a simple eBook introduction to CGI::Application development.
* Remove images.
* Ignore Eclipse cruft.
* Edit HTML to make it prettty.
* Split contents into its own file.

This makes it easier to work with KindleGen, and conforms to EPUB 2
better.
* Get us closer to EPUB2.
* Remove unused CSS.
* Reinstate custom fonts.
* Nested TOC!