add Groupon Constants
add Groupon model
finish deal model
Merge pull request #1 from claubacher/rotten_tomatoes

Rotten tomatoes
fix groupon data
Merge pull request #2 from claubacher/groupon

Groupon
Update deal.rb
add groupon migration and seeds
add all deals in seed and update deal model and migration
Merge pull request #3 from claubacher/grouponMigration

Groupon migration
Update seeds.rb
Update environment.rb
Eliminated repitition of schema definition