Tidied the Xcode project some more and fixed compiling. Didn't implement CIrrDeviceOSX::minimizeWindow yet
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2264 dfc29bdd-3216-0410-991c-e03cc46cb475
Added dummy os::Byteswap methods to prevent implicit byte swapping on char types.
Updated meshviewer config.xml to include PLY files, also removed the statement that the combo box has no function as it has worked for some time.
Fixed some comments in CNullDriver.cpp.
git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@2262 dfc29bdd-3216-0410-991c-e03cc46cb475