v2.3.1

Update README.md

v2.3.0

• fix issue with analytics reporting unreasonably large view durations

v2.2.0

• Fix issue where ticket price was not being properly set, in some cases resulting in an app crash.

v2.1.0

• Fixes bug where analytics were not properly reported (thanks to Perry Brown for tracking this down).

v2.0.0

Now with 100% more SceneGraph - fixes #1

v1.0.0

Update README.md