header (C) fixes
IPRT: -Wunused-parameter.
Use DECLHIDDEN, especially in IPRT.
iprt/asm.h,*: Revised the ASMAtomic*Ptr functions and macros. The new saves lots of unsafe (void * volatile *) casts as well as adding some type safety when using GCC (typeof rulez).
Automated rebranding to Oracle copyright/license strings via filemuncher
sched-darwin.cpp: Fixed reference of uninitialized variable in rtSchedNativeCalcDefaultPriority.
Runtime: todo
IPRT: Implemented ring-3 priority scheme for darwin.