GuestCtrl: Infrastructure changes for handling and executing dedicated guest sessions and protocol versioning (untested, work in progress).
HostServices/GuestCtrl: Rewritten testcase, now builds by default.
ExtPack changes, related IPRT changes.
iprt: removed crc32.h and crc64.h, use crc.h instead.
Automated rebranding to Oracle copyright/license strings via filemuncher
GuestControl: gcc warnings
*: scm cleans up whitespace and adds a new line at the end of ApplianceimplPrivate.h.
OSE fix for GuestControl