History of events that given user has been invited to/attended

[binnyva]

Needed to show historic details of the user in their profile page. Show how many events was attended by the user - overall and this year. Need a new call for showing the data for previous years.

• REST : GET /users/{user_id}/past_events
• JSON Format : Use same format as /users/{user_id}/events
• GraphQL Call
• Test for GET and GraphQL

[binnyva]

Please complete #59 before this task.