Add test to validate language switching and "Show All" availability.
Add "Show All" to end and fr lang packs. Add I18n to rows per page select box.
History update.
Merge branch 'dev-master' of https://github.com/yui/yui3 into dt-strings
Merge branch 'dev-master' of https://github.com/yui/yui3 into dt-strings
Build.