Switch from ad-hoc scripts to Makefile
Update Makefile, include chapter.template
Remove pytemplate
Update README
Settle on public/private terminology
Add note about build times
Update some codebox annotations
Merge branch 'master' of github.com:probmods/chapters
Merge branch 'master' into Makefile

Conflicts:
	README.markdown
Detect pandoc version, make webchurch, (in progress) handle directory prefixes