Fix signedness warning in cdbsymbolpathlisteditor.cpp.

Change-Id: I1e48e454c980fcf35433bf7ed3f4365c3fdb3ddc
Reviewed-by: hjk <hjk121@nokiamail.com>
QmlDesigner: Change isPositioner in isLayoutable to catch layouts too

Change-Id: Ic6b68a57095dc94df62278666c4c3cb150eb374e
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
QmlDesigner: Use bounding rectangle instead of painted rectangle

Otherwise text items are to small.

Change-Id: Icafbebba6fcc749d0a5a1f5c0bf1dc05bf9f3474
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>