Settings at the bottom of the ULS

Moves the settings block at the bottom of the ULS dialog in order
to distinguish more clearly the selection and configuration regions.
Border radius removed from the search info

Since the search information shown when no elements are found is no longer
the element at the bottom, there is no need for rounded bottom corners that match the ULs panel.
Merge pull request #75 from pauginer/settings-at-bottom

Settings at the bottom of the ULS