Add normalized versions of COFA state names

[elliottcf]

I added the COFA_STATES names in a few forms to the STATES_NORMALIZED dict.

We needed this so we could use the localflavor.us.forms.USStateField in a form which accepts COFA locations.

I ran tox even though I was just adding a few more entries to an existing dict.

[elliottcf]

I just squashed my commits to make it easier to merge.
Let me know if there is anything else I should do.

[benkonrath]

Thanks for your contribution. Could you update the comment in the USStateField to mention that the US territories and the COPA countries are also included in the validation.

For anybody who's following and interested, this video explains how the US territories and the COPA countries are organized.
https://www.youtube.com/watch?v=ASSOQDQvVLU

[elliottcf]

I updated the USStateField comment to mention the additional territories it validates.
I also squashed my commits into one.

[benkonrath]

Thanks again for your contribution!