Merge pull request #112 from spring-peepers-2014/restructure-models

Add new activerecord models
Merge pull request #113 from spring-peepers-2014/restructure-models

Fix syntax error - remove plural artists in belongs_to relationship
Add rake task to purge all past events from database
Add nightly cron job to purge all past events
Refactor rake tasks for readability
Add nightly chron job to purge all past events
Merge pull request #114 from spring-peepers-2014/Purge_Past_Events

Add nightly cron job to purge all past events
Change title from 'Giggidy' to 'ShoGoGo'
Merge pull request #115 from spring-peepers-2014/Fix_Title

Change title from 'Giggidy' to 'ShoGoGo'
Merge pull request #116 from spring-peepers-2014/restructure-models

Restructure models
Create notifications namespace and move send_sms rake task to it
Rename events:send_sms to notifications:send_sms
Add psuedocode for rake task to purge all past events
List cron jobs in chronological order
Merge pull request #117 from spring-peepers-2014/Cron

Update cron jobs
Add favorites unit test - full test coverage
Add notification unit test - full test coverage