We use multicolor hardware cursors, but so far only Linux and Windows 32 are supported.
For Linux application must now link additionally with Xcursor unless they disable _IRR_LINUX_XCURSOR_.
Example 24 is added to show how to use those cursors and also as a general test for mouse-behavior.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@3302 dfc29bdd-3216-0410-991c-e03cc46cb475