Update for 3.6.0b2 release

Author: ned-deily

pep-0494.txt

@@ -56,10 +56,10 @@ Actual:
 - 3.6.0 alpha 4: 2016-08-15
 - 3.6.0 beta 1: 2016-09-12
   (No new features beyond this point.)
+- 3.6.0 beta 2: 2016-10-10
 
 Expected:
 
-- 3.6.0 beta 2: 2016-10-10 (was 2016-10-03) 
 - 3.6.0 beta 3: 2016-10-31
 - 3.6.0 beta 4: 2016-11-21
 - 3.6.0 candidate 1: 2016-12-05