This solves a bugfix when calling singleton($className)->summaryFields() and Versioned kicks back. It is needed to by the GridField functionality to get default columns to show.
This is due to DataExtension calls ClassName::extraStatics() when calling ::load_extra_statics() statically, we need to pass in class and extension.
ENHANCEMENT Using ksort() in textcollector to get alphabetized language master files (=easier to compare and debug)
git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/sapphire/trunk@64494 467b73ca-7a2a-4603-9d3b-597d59a354a9