tmp application for testing grids.
Merge branch 'master' of https://github.com/stefanmay/obviously
Merge branch 'master' of https://github.com/stefanmay/obviously
Merge branch 'master' of https://github.com/stefanmay/obviously
Merge branch 'master' of https://github.com/stefanmay/obviously
Merge branch 'master' of https://github.com/stefanmay/obviously
Merge branch 'master' of https://github.com/stefanmay/obviously
Merge branch 'master' of https://github.com/stefanmay/obviously
--remove warnings