Isolate plugin specific code.
Rename rsp to g_RspInfo
Isolate memory access code.
Remove superfluous headers
Move clamp_s16 to arithmetics.h
Rename ucode*.c files
Rename rsp status flags defines.
Use bool where appropriate.
Make unknown task dumping optional at compile time.

This functionality is not needed by the normal user and can introduce unwanted dependencies on
files. It can be enabled at compile time using -DENABLE_TASK_DUMP or Makefile var DUMP=1.
Put hle_execute proto into a proper header file.
Merge pull request #14 from bsmiles32/plugin_refac

Plugin refac