Show organization/user/network github events

[mbasaglia]

see https://developer.github.com/v3/activity/events/
eg: https://api.github.com/orgs/Unvanquished/events

[mbasaglia]

Rename Repository to ApiEventMonitor or something like that.
Then it must have a more flexible url infix.
The source can still recognize stuff like Repository or Organization and construct the ApiEventMonitor accordingly.