[unity] Increased officially compatibly Unity version of 4.3-beta to 6000.3.

Author: HaraldCsaszar

CHANGELOG.md

@@ -334,7 +334,7 @@
 
 ### Unity
 
-- **Officially supported Unity versions are 2017.1-6000.1**.
+- **Officially supported Unity versions are 2017.1-6000.3**.
 
 - **Breaking changes**
   - Updated to use new C# runtime with all breaking changes above

spine-unity/README.md

@@ -22,7 +22,7 @@ Unity's physics components do not support dynamically assigned vertices so they
 
 ## Unity version
 
-spine-unity is compatible with Unity 2017.1-6000.1.
+spine-unity is compatible with Unity 2017.1-6000.3.
 
 ## Usage