CDB: Add more information and state to Thread.
Refactor thread information in CdbCore classes to prepare for more
information.

Also adds the "new range" ability to the debugger's memory viewer.

(that have no other standard)

Reviewed-by: dt

Reviewed-by: hjk

Store threads and cache registers per thread in Snapshot.
As Trk does not generate Thread creation/deletion events.
try to add threads on the fly if a stop in a new thread id is reported.
Remove them in continue. Continue all threads in classic Trk.
Pass on state (crash reason) to ThreadData and model.
Factor out common code of both adapters to Snapshot/Symbian classes.

(cherry picked from commit 6959a122)

Conflicts:

	src/plugins/debugger/gdb/gdbengine.cpp
	src/plugins/debugger/gdb/gdbengine.h

(cherry picked from commit ebba2748)

Conflicts:

	src/plugins/debugger/gdb/gdbengine.cpp

Task-number: QTCREATORBUG-598

Reviewed-by: hjk
Task-number: QTCREATORBUG-1563

Reviewed-by: hjk
Task-number: QTCREATORBUG-1563

Added adapter to work with TCF over WLAN.
Factor out common code for Symbian from TrkAdapter.
Improve message logging in TrkGdbAdapter, some cleanup.
Added new TcfTrkGdbAdapter based on TcfTrkDevice
in symbianutils based on JSON, using QTcpSocket.
To be started via special @tcf@ argument.
Rubber-stamped-by: hjk

A mostly mechanical change.

Reviewed-By: con

Reviewed-by: Thorbjørn Lindeijer <thorbjorn.lindeijer@nokia.com>