Rollback 2 migrations and destroy Event Series table.
Delete all files related to Event Series and remove all traces of it in existing files.
Add underscore to starttime and endtime in Events table.
Modify validate_time in Event class to reflect time changes in Events table.
Add rabl to project.
Change events source in calendar.js
Configure rabl and create index template for events.
Update start_time and end_time calls in controller and view.