Provide useful functionality for thread operations.

src/e-server:
	* src/GdbServer.cpp (GdbServer::GdbServer):
	Initialize currentThread.
	(GdbServer::rspServer): Initialize coreIds vector.
	(GdbServer::rspQuery): Replace E_TID by currentThread, call out to
	custom functions for qfThreadInfo, qsThreadInfo and qThreadExtraInfo.
	(GdbServer::rspQThreadInfo): Created.
	(GdbServer::rspQThreadExtraInfo): Return core ID of specified thread.
	(GdbServer::rspOsDataProcesses): Use member variable coreIds.
	(GdbServer::rspOsDataLoad): Likewise.
	(GdbServer::rspOsDataTraffic): Likewise.
	(GdbServer::rspThreadSubOperation): Set currentThread.
	* src/e-server/src/GdbServer.h: Replace E_TID by currentThread,
	add vector for CoreIds.  Add newly created functions.