QmlDesigner: fix Section Collapsed size bug

Change-Id: Iff7016b35aeb763569366400460c12b99689e14f
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
WelcomeScreen: Session layout improvements

No gaps. Smoother hovering. Some cleanup.

Change-Id: Id4110ab10973a7df8b5c39a90d60878145ad389b
Reviewed-by: Thomas Hartmann <Thomas.Hartmann@digia.com>
AnalyzerBase: Extract some base classes from Valgrind

This makes the view of the valgrind tools avilable for other analyzers.

Change-Id: Icb28a3a6d6dbd7d437de803d50e30fada7dca0da
Reviewed-by: hjk <hjk121@nokiamail.com>
AnalyzerBase: Accept links with column number in DetailedErrorView

Change-Id: I61ff15877523325a80cdfa089bd28e4e89a45bd5
Reviewed-by: hjk <hjk121@nokiamail.com>