Java-SDK - 3.3.0

## 3.3.0 October 1st, 2019

### New Features: - Introduced `EventProcessor` interface with `BatchEventProcessor` implementation. - Introduced `LogEvent` notification. - Added `BatchEventProcessor` as the default implementation within the `OptimizelyFactory` class.

### Deprecated - `LogEvent` was deprecated from `TrackNotification` and `ActivateNotification` notifications in favor of explicit `LogEvent` notification.

https://github.com/optimizely/java-sdk/releases/tag/3.3.0