BUG: Correct handling of file path (no / should be added if path is null. Does this work on windows ?)

ENH: connect centralview manipulator and quicklook renderer to update the red square coordinates to render

BUG: Avoiding implicit conversion of floating point coordinates to int, and taking into account the remainder of euclidean division in zoom factor

BUG: Fixing chaotic handling of mouse move event (several calls to event->x() and event->y() which change between calls

ENH: Moved instanciation of DatasetModel from MainWindow::on_action_Open_activated() to Application::LoadDatasetModel(); Parametrized AbstractModel::BuildModel() with generic (void*) context; Created dataset directory when importing image file.

ENH: remove references to CMAKE_INSTALL_PREFIX from sources. load translation with relative dir strategy