Docs available for editing and submission online

I've created several doc categories, so users can submit docs on-line via the SourceForge documentation manager.

Note that the homepage also lists the "HTML Frequently Asked Questions" which also lets users submit and edit new FAQ entries.

I encourage users to improve upon the docs when they see a way. Please feel free to re-submit existing docs if you see a way to edit or improve them. Feel free to put your name/handle near your edit/improvements if you like.