[RFR] Move toastr at the bottom right

Move the toastr at the bottom right for more efficiency

See http://marmelab.com/blog/2014/05/22/phpcr-browser-a-new-hope.html#comment-1402165639

![notify](https://cloud.githubusercontent.com/assets/4641116/3097732/917d1f2e-e5e2-11e3-88dc-1809f58aaef5.png)