Present a estimate based on probability, of the amount of text to finish a book, based on page turning speed.

```
This feature will need.
1) A class based statics approach.
2) Removal of outlier classes that are not common.
3) Calculating a speed per character.
4) Calculating the time to the end of the book based on speed.
```

Original issue reported on code.google.com by `i30817@gmail.com` on 8 Apr 2008 at 12:04
