header (C) fixes
Automated rebranding to Oracle copyright/license strings via filemuncher
RTFileReadAll: Must pass DENY_NONE or we'll assert in down in RTFileOpen.
RTFileReadAll-generic.cpp: committed too much.
RTSemRWIsReadOwner: For assertion in main.
IPRT,HostDrv,AddDrv: Export public IPRT symbols for the linux kernel (pain).
Runtime: fixed ''RTFileReadAll()''
New file APIs for reading (or mapping) a file into memory: RTFileReadAll, RTFileReadAllEx, RTFileReadAllByHandle, RTFileReadAllByHandleEx and RTFileReadAllFree.