Updated release notes

Change-Id: Ied90c54683dd96ac9fb0c3039a94aea5e4aa11c6

RELEASE.md

@@ -9,7 +9,7 @@ Stay tuned - the work for many of these features is already in-flight.
 
 ===================================================================================================
 Release:0.86.00
-Date: 2016.05.xx
+Date: 2016.06.06
 - Add clang-hipify : clang-based hipify tool.  Improved parsing of source code, and automates 
   creation of hipLaunchParm variable.
 - Implement memory register / unregister commands (hipHostRegister, hipHostUnregister)