Got basic MogoDB support working
Additional comment related to Mongo support
Removed migrations file and schema.rb

Not applicable to mongo
Remove --warnings from .rspec

See this thread: https://github.com/rspec/rspec-core/issues/1571
Initial multitenancy implementation
Removed comment
Minor clean up
Initial implementation of test steps
 Added timestamps to models
Added simple spec for test_step
Merge branch 'mongo'