Add test for HistoryHash _REGEX_HASH fix
Correct HistoryHash _REGEX_HASH and parseHash to allow for blank hash string properties.
Build HistoryHash
Update HistoryHash HISTORY.md
Add @okuryu as a YUI Committer
Merge branch 'live-docs' into dev-master
Build OOP coverage with correct version of Yogi
Merge branch 'patch-HistoryHash-blank-values' of git://github.com/blzaugg/yui3 into dev-master