prepare for 2.8.0

Author: cowtowncoder

release-notes/VERSION

@@ -4,7 +4,7 @@ Project: jackson-databind
 === Releases ===
 ------------------------------------------------------------------------
 
-2.8.1 (not yet released)
+2.8.1 (20-Jul-2016)
 
 #1256: `Optional.empty()` not excluded if property declared with type `Object`
 #1288: Type id not exposed for `JsonTypeInfo.As.EXTERNAL_PROPERTY` even when `visible` set to `true`