Throw in gendoc.py if a spec section doesn't end with \n\n
There needs to be TWO new lines at the end of each spec section else the
title of the next section merges into the last paragraph of the earlier
section. This happens without rst2html producing a warning, and results
in the section heading of a file disappearing(!)
Restructured the sections code to be slightly more encapsulated than before.
This will be expanded to more clearly separate the templating system from
the specific implementation of the spec templates.
* try to make 00_basis slightly more accessible and less terse
* move CS API before Events, as it's meaningless to dive into specific events if you haven't been introduced to how the CS API works
* Try to improve the beginning of the CS API by merging back in some of kegan's original v1 content (which has subsequently been deleted somewhere along the line?)
* document m.presence event consistently
* move typing from drafts to spec
* move push stuff from drafts to spec
...and lots of other stuff
move push & typing from drafts into main spec.
