pelicanconf.py: Too many pages to fit in the menu
pelicanconf.py: Don't put bootcamps under blog/
content/bootcamps: Convert to Markdown

$ ./convert-to-markdown.py content/bootcamps/201*.html
$ git add content/bootcamps/*.md
$ git rm content/bootcamps/201*.html
content/bootcamps: Remove `Date` metadata

This is already encoded in the filename.
Autogenerate bootcamp titles