Small changes to code style and fixed the incorrect getting of the name of `CActiveDataProvider.keyAttribute` inside `TbRelationalColumn`.
fix #659
fix clevertech/YiiBoilerplate#66
Updated assets of `TbWizard`. Changed `minifyCss` to `minify` as it's for minifying *all* assets, not only CSS.
closes #645
Added latest changes to CHANGELOG
re #659 re #652 re #645