* Move ancestors/descendants out of timelines reducer
* Refactor timelines reducer
All types of timelines now have a flat structure and use the same
reducer functions and actions
* Reintroduce some missing behaviours
* Fix wrong import in reports
* Fix includes typo
* Fix issue related to "next" pagination in timelines and notifications
* Fix bug with timeline's initial state, expandNotifications
Sorin Davidoi
Eugen Rochko