changed logic to support multiple blocks and added selling behavior
fixed syntax and concatenated block lists
multiplicity of conditions seems to work
added Event block for specifiging specific codntions for a unique stock
taking out dev settings file in dev
merging with backtest after removing registration app
updated json format of delivering arrays
changed settings and models with derek
Merge pull request #9 from lucasbrambrink/backtest_dev2

generalized logic : able to have multiple blocks for buying and selling.
Add back settings for Celery within dev settings.
Update models.
Remove addcss tag. Will be replace with django-bootstrap3.
Add StockManager.