[v3] docbook structure

[Benjamin Kosnik]

Adds two new parts (for contents and appendices), adjusts all the other
section info accordingly.

Resolves all issues with the generated pdf index. The html rendering is
changed very little, but this made a big difference for other output.

tested x86_64/linux

-benjamin
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 20100224-1.patch.bz2
Type: application/x-bzip
Size: 55498 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/gcc-patches/attachments/20100225/4b97c51a/attachment.bin>