Revert "Revert "Revert "codeblock: remove build file => linux is cmake only"""

This reverts commit f99b7dc36b834ee74bdc18558291a628a27497c7.
update codeblocks project files. Some work, most notably the null plugins. GSDX is untested. zzogl and zerogs dont work. pcsx2 is a WIP. soundtouch and spu2-x dont work