Fix: Fixed HitTest of UIResizable to allow for corner click detection again.
Cleanup: Some superfluous code in UIMainMenu that is inherited from the superclass anyway.
Add: Position and size of panels, buttons and textboxes can be changed after creation.
Feature: Made lua console properly resizable, i.e. its contents scale with the window.

git-svn-id: http://corsix-th.googlecode.com/svn/trunk@1902 c39591fa-788f-11de-a72b-d90af8dea425