Change page numbering for front and back matter

* Removes the ToC and the bibliography from the ToC
* Changes page numbering for ToC to lower-case roman
Both of these changes are being made because the ToC are going to
effectively define the API (as far as semantic versioning goes), so I don't
want the ToC and bibliography locked in as unchangeable.
Merge branch 'dev' into reorg-wip
Add placeholder file for likelihood asymptotics

I'm going to use likelihoods and their convergence to discuss the LAN-type
efficiency results.