Make DataType consistent with DataValue's type for texts
Merge pull request #17 from wmde/renameTextTypes

Make DataType consistent with DataValue's type for texts
Remove unused wgDataTypes

The list is not used anywhere in our code base, as far as I can tell. It conflicts with the list cultivated in WikibaseDataTypeBuilders::getDataTypeBuilders.

This patch may miss something (like documentation or increasing the version number, maybe). Please tell me.