Update TODOs

* BitBucket can support private repos for students
* Question out to GitHub about the same
Style updates for better readability

* Pattern background
* Larger font
* Smaller headings
Don't clean by default!
Merge branch 'master' of https://github.com/parente/tott

* 'master' of https://github.com/parente/tott:
  Grammar (thanks gb)

Conflicts:
	doc/index.rst
Attribution cleanup