Add rails framework
Add dataset and measurement models
Remove data directory, not required with rails app
Move old script code into new models
Install rspec
Run migrations and add schema
fix validation scope
Add coverage for specs
Add factories
Test textual description without comparison
Test measurement textual description
fix simplecov
Add pending test for tweet sending
Add pending test for date uniqueness validation

Validation currently commented because it breaks FactoryGirl
Add another pending twitter test
Add tests for parser
update gemfile
Add tweet test
Use database cleaner for specs
remove blank line