Removed unused parameter from win32 OpenGL setup. Separated wrap mode handling into new method in ogl driver. Fixed pixel alignment in ogl pixel transfers to avoid problems on special systems. Fixed an info message to be printed always, not just for big endian systems.

git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@1453 dfc29bdd-3216-0410-991c-e03cc46cb475