Fixes 2533197
Fix incorrect mention to callbacks in Y.batch API docs

This was a left-over from the previous implementation
Merge branch '2533197' of git://github.com/Satyam/yui3-1 into Satyam-2533197
Fix #673: Fix missing em close tag
Merge pull request #674 from okuryu/fix-#673

Fix #673: Fix missing em close tag
Fixing event-custom-base YArray.indexOf('subs ~ null'...) case.
Updating event build files.
Build promise, no -min changes
Merge branch 'live-docs' into dev-master