Added setDrawBorder to IGUIEditBox and IGUIStaticText.
Added setTextAlignment to GUIEditBox and IGUIStaticText, for text justification and vertical alignment.
IGUIEditbox now supports multiple lines using setWordWrap and setMultiLine.
IGUIElement now calls getter and setter functions when serializing, in case of getter/setter overrides.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@745 dfc29bdd-3216-0410-991c-e03cc46cb475