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This mainly allows for more precise shutdown and tightens the set
of allowed transitions.

Still far from usable.

(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

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

This replaces the (de facto) singleton engines and data handlers by classes
that are instantiated per run. The DebuggerRunControl will now create an
object of (a class derived from) DebuggerEngine that contains all the relevant
"dynamic" data.

DebuggerManager is no more. The "singleton" bits are merged into DebuggerPlugin,
whereas the data bits went to DebuggerEngine.

There is no formal notion of a "current" DebuggerEngine. However, as there's
only one DebuggerEngine at a time that has its data models connected to the
view, there's still some "de facto" notion of a "current" engine. Calling
SomeModel::setData(int role, QVariant data) with custom role is used as the
primary dispatch mechanism from the views to the "current" data models
(and the engine, as all data models know their engine).

Plan is to identify make identify an IDebuggerEngine incarnation with
a RunControl.

This replaces most uses of DebuggerStartParameters by DebuggerRunControl
which is a simple RunControl with a DebuggerStartParameters member.

Plan is to move all global state to the run controls, and possibly
introduce specialized ones for core debugging etc.

Works only with gdb/Python so far.

The assumption "Creator arch == Gdb arch" does not necessarily hold.

Reviewed-by: hjk

Reviewed-by: hjk

used for -exec-interrupt right now

Manage binaries as a map of binary-><toolchain number>.
Provide list widget and editing dialog with tooltip
showing the version. Save in settings as a flat list of
keys.
Acked-by: hjk

backtrace in the main editor.

Useful for sending bug reports.

actually hit