Added seeds and migrations for all teh tings
Added account seeder

combined cd, ira, savings, and mortgage into one common model
Added even moar seeds

Added acount transaction seeds
Adde MCC Code migration and seeds
Refactored migrations and seeds

Refactored to make everything a transaction.
Merge pull request #1 from RaikesCohort2013/seedsAndMigrations

Seeds and migrations