Rename top-level scripts
Adjust scripts and installation
Tidy code a little
Remove template.substitute; it seems unreliable
Improve parsing and tidy code a little
Script for creating final HTML doc for one package
Script for creating global index page, listing available packages
CMakeLists: install all scripts
Markdown output: decrease heading size

Also add docs; remove debug prints
Adjust comment text, so that it always ends with a newline
Update HTML generation script to work on whole directory
Update markdown extraction script - list undocumented functions
Add basic CSS, for the HTML docs