Convert "fnvrwlo *.esp"s' `msg` to `inc` entries.
Fix/normalise various strings.

- Add `'`s around strings that didn't have them.
- Add periods at the end of sentences/`msg`s without.
- Replace `"` around strings with `'`.
Update data for `awilderwasteland.esp`.

Per data provided by @EssArrBee - thanks!

Closes issue #8.