Lightweight Java Game Library Code

Remove redundant CXXFLAGS definition in configure.in

Converted native code from C++ (.cpp files) to C (.c files), thus avoiding an annoying dependency on the standard C++ library on Linux. We weren't using any particular C++ features anyway.

Linux: Added support for X RandR extension

Made Xcursor library static linked instead of dynamically loaded

Linux: Reverted the build script changes (removed .so) because even with automake 1.8.3, the build system still doesn't produce a liblwjgl.so.0.0.0, only a liblwjgl.0.0.0

fmod -> fmod3

Updated headers and fmod for linux

Extensions split out into separate classes

Replaced debug libraries with runtime debug condition

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