New level/solution page format

[peterstock]

I've change the format of the level and solution pages, so that they are broken down by the first letter of the level name.

http://www.armadillorun.com/levels/
http://www.armadillorun.com/solutions/

The pages were getting a bit long and I thought this would make it easier and quicker for people.

[tomo]

cool