names like Front|Focus|Active because in a not so later stage of
development these methods will return Layer* instead of WinBorder*
* fixed a problem where (floating) windows were not shown because their
visible regions were not cleared and taken as valid.
* fixed a bug where clicking on a border button actualy performed the
specific action instead of first activating the window.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14233 a95241bf-73f2-0310-859d-f6bbb57e9c96
482a9b5d8c