IGUIElement::getElementFromPoint now virtual.
Was needed because just having isPointInside virtual doesn't allow controlling sub-element behavior.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4787 dfc29bdd-3216-0410-991c-e03cc46cb475
IGUITable can now disable the active column.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code@4788 dfc29bdd-3216-0410-991c-e03cc46cb475