Some blank bingo scaffolding.
restore old dumb lengthcounts logic.

doubly-encoded json string :/ this'll get fixed later.
Add an index on "word" for Word model.

This speeds up word queries dramatically for blank challenges.
Create db index for alphagram on alphagram.
Generate blank bingo challenges
Tweaks / bug fixes
Adding bingo marathon too.
Clean up old bingo challenge txt files.
Award gold stars for blank bingos and marathon.
Added blank character modification support.
Probably about time to move to HTML5?
Some styling modifications and fixes.
A migration for CharField and display changes.
Float awards right or else there is bleed
Some more styling
Some styling changes and order dcs by priority.
Make priority orders a bit more intuitive.
Merge pull request #10 from domino14/blank_challenges

Blank challenges.