Merge branch 'master' of git://github.com/yui/yui3
Merge remote-tracking branch 'upstream/master'
pass stringified data to custom transport layer
Merge branch 'io-custom-transport' of git://github.com/jafl/yui3 into jafl-io-custom-transport
Update IO's change history.
Merge branch 'jafl-io-custom-transport' into dev-master