removing all extended meta modules and yui meta modules in favor of just a simple structure that performes beter
removing tests for expanded metada since that is not supported anymore
Merge branch 'next' of github.com:yahoo/mojito into remove-expand
updating history and docs
Merge branch 'next' of github.com:yahoo/mojito into remove-expand
Merge branch 'next' of github.com:yahoo/mojito into remove-expand
adding langPack to the metas so we can group them by language
Merge pull request #1322 from caridy/remove-expand

Remove expanded metadata and all related computations for yui