Merge pull request #961 from jbousquie/patch-2

Update what's new.md

dist/preview release/what's new.md

@@ -5,6 +5,7 @@
   - **Updates**
     - New OnPickTrigger support for spritesManager ([deltakosh](https://github.com/deltakosh))
     - New SPS method `digest()` ([jerome](https://github.com/jbousquie))    
+    - New SPS property `computeBoundingBox` ([jerome](https://github.com/jbousquie))  
     - Added a new OnPickOut trigger fired when you release the pointer button outside of a mesh or sprite. ([deltakosh](https://github.com/deltakosh))
     - Added support for OnPointerOver and OnPointerOut for sprites. ([deltakosh](https://github.com/deltakosh))
   - **Bug fixes**