Version Control With Subversion Source

Style tweaks.

* tools/base-html-stylesheet.xsl
Disable a bunch of TOCs. This makes the single-page HTML not have a
bunch of inline TOCs.

* tools/chunk-stylesheet.xsl
Try to re-enable certain TOCs here for chunked HTML output that were
disabled in base-html-stylesheet.xsl. This ... uh ... doesn't seem
to work, though.