Add an iter_entry_points style test

It's broken, but should wind up in source control in case we ever return to
using entry points
Add tests for the Spicedham object's methods
Rename the tests
Load and use the tokenizer
Import the split_tokenizer
Remove tokenization from report generation
Add a default tokenizer

Splits on punctuation and whitespace, lower cases everything, and filter ''
Add a BaseTokenizer
Add tests for SplitTokenizer
Clean up a bunch of old or unused files

Various scripts for sorting and reformatting data,
Move report.py into a scripts directory.
Remove tox.ini
Clean up tests

Make them somewhat clearer and simpler.
Flake8 fixes
Import error should not block tockenizer
Hoist the docstring from the method into the class
Make mapping & filtering into a list comprehension
Update docstrings to mention the tokenizer
Add tox.ini back in
Add nose to requirements & specify Django version
Fix #21

When the classifier isn't trained you shouldn't be able to use it.
Even in tests.
Explain how to run tests in the README