Stack::FigureRemoveById: added removing of affected glues and connection points.
#69 (Text of figure_InsertedImage moved to down.) Upload image
iFrame used for printing placed behind (hided by) the main canvas by css.
#76 (Container::constructor - primitives added with addPrimitive method.) Double click in container does nothing
ConnectionManager::connectorCreate - STACK::generateId wrap-method used for getting new Id from the STACK.
#76 (Main::onDblClick handler updated with container search + Stack::textGetByContainerXY method added.) Double click in container does nothing