first stab at switching over to flask-sqlalchemy
refactor finished to use flask-sqlalchemy patterns
can't test but seems to work
amended gitignore to ignore stuff we should be ignoring (sessiondata dir and secret.cfg)
reorganizing stuff into logical units, cleaning up __init__
OSMUser is in models
some API work on /challenges and /challenges/id
cleaned up the jsonify output
bring routes in line with API docs
Update README.md

added ami info
Update README.md

stupid markdown.
Adding challenge templates code
finalizing the templates
Documentation: clone from new repo
Documentation: add2virtualenv
Documentation: CoffeeScript
Merge pull request #47 from ebrelsford/master

Update README based on a fresh install
javascript typos
Fix a few api views
Remove unused imports