header (C) fixes
IPRT: Fixed wrong format specifier in assertion (various rtProcInitExePath implementations).
iprt: More path conversion avoidance.
Automated rebranding to Oracle copyright/license strings via filemuncher
Fixed include order, a bunch of GCC 3.3 warnings, OS/2 build.
IPRT: Implemented RTR3Init*WithProgramPath. Added RTPathParse. Cleaned up the RTPathProgram and RTProcGetExecutableName implementations.