added gmail sentiment analysis, created gmail model and migration table
merging
Merge pull request #25 from danisaurus/email_migration_table

Email migration table
Created Keyword model, migrations.  Associated Keywords with Gmails.  On creation of Gmail, Keywords are pulled and associated.
Merge pull request #26 from danisaurus/integrate-daily-report-and-keywords

Created Keyword model, migrations.  Associated Keywords with Gmails.  On...
Fix bugs on get started page, added create trigger to user show
merging with master