Add new analytics abstraction.
Start a new session on logout/login.
Add user plan detection.
Move custom dimension indices into Build.cs
Migrade Ross to use ITracker abstraction.
Log feedback screen view.
Migrated Joey over to new ITracker interface.
Measure app startup time.
Fix GA campaign tracking locations.
Update Google Analytics iOS component.
Workaround for wrong binding signature for HitBuilder.
Add ExperimentId to ISettingStore.
Add experiments infrastructure.
Fix IdleNotification getting out of sync with auth change.
Remote TimedEvent enum.
Add event tracking functionality to ITracker.
Send account events.
Send settings change events.
Send timer events.
Merge pull request #398 from toggl/roosmaa-analytics

Improved analytics & A/B testing.