As a custom icon is set in most cases anyway.

Reviewed-by: Robert Loehning <robert.loehning@nokia.com>

If we where not in full help mode at least once, the engine
would still run without valid help collection due to the new
lazy initialisation, thus the right side pane would not be
able to retrieve the requested help file.

Reviewed-by: ck

(cherry picked from commit 7ccf903ee3d9da4a104310ed423130857d59d91b)

(cherry picked from commit 2b40e2906fc070c6253a84c0ca507ff0db912f73)

(cherry picked from commit 474ec252a23745bf5106b239054c17d7dfc2fbf2)

(cherry picked from commit 3eb7b6bfbde6a847154c6053e7b4171554207865)

Task-number: QTCREATORBUG-1790
Reviewed-by: dt
Reviewed-by: mae

Task-number: QTCREATORBUG-1405
Reviewed-by: dt

(cherry picked from commit cbdd9202)

(cherry picked from commit 2e09a8f4)

(cherry picked from commit d3cea8a4)

Similar to what we do in the find tool bar.

Task-number: QTCREATORBUG-1543

Task-number: QTCREATORBUG-1631

Thus icons are displayed in a uniform size and don't waste too much space.

Task-number: QTCREATORBUG-1539

Task-number: QTCREATORBUG-1798
Reviewed-by: Lasse Holmstedt <lasse.holmstedt@nokia.com>

Otherwise "rebuilding" the debugging helper doesn't necessarily lead to
Qt Creator picking up the new one (some of the locations can be
read-only).

Reviewed-by: dt

Task-number: QTCREATORBUG-1607

Reviewed-by: Friedemann Kleint

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

(that have no other standard)

Reviewed-by: dt

It assumed base address zero.

Task-number: QTCREATORBUG-1488

Often the reason for clicking the clear button is to type something into
it afterwards.
See also QTCREATORBUG-705

(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

Reviewed-by: ck

Reviewed-by: kh1

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