Removed getMS3DJointNode, getXJointNode, and EGDS_MESSAGE_BOX_MAX_TEST_WIDTH. Added deprecated warnings to some more methods, plus a couple of doc string fixes.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3593 dfc29bdd-3216-0410-991c-e03cc46cb475