restored integrated_build as the default

Integrated draft version of pie series

Work-around for a bug with plot domain list indexes

Removed error message from chartwidgettest.pro

Resizing of QGraphicItems now possible by resize signal from QChart

Removes hardcoded values for xydomain

Changes scrollbar policy in qchartwidget

Changes reinterpret_cast to static_cast

Renames internal.pri to integrated.pri

rename internal -> integrated build