* Maybe you meant to call base method instead [-Wclazy-skipped-base-method]
* Missing reference in range-for with non trivial type [-Wclazy-range-loop-reference]
* Mixing iterators with const_iterators [-Wclazy-strict-iterators]
* Unused QByteArray [-Wclazy-unused-non-trivial-variable]
* C++11 range-loop might detach Qt container (QList) [-Wclazy-range-loop-detach]
Change Immutable status to ReadOnly, which makes it easy to set value
in script, but still block editing in property view by default. This is
to discourage user editing support using property editor, because
SubShapeBinder requires relative link correction.