* Add missing copyright according issue 792
* Miss few files from the previous commit ^^
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@3429 96395faa-99c1-11dd-bbfe-3dabce05a288
Added interface.cpp (plugin/pcsx2 interface) and savestate.cpp to SPU2ghz, to help clean up SPU2.cpp.
git-svn-id: http://pcsx2.googlecode.com/svn/trunk@463 96395faa-99c1-11dd-bbfe-3dabce05a288