Added (yet empty) AlgorithmControlWidget.
AlgorithmControlWidget can now show an cv::Mat.
AlgorithmController::enqueueAlgorithm() checks if algorithmDialog is set (fixes crash).
AlgorithmControlWidget now capable of loading/saving images.
Added AlgorithmControlWidget::on_controller_newResultAvailable().
Made AlgorithmControlWidget::setCvMatrix() private.
Added AlgorithmControlWidget::registerAlgorithmConfigDialog().
Renamed AlgorithmControlWidget::comboBox to selectAlgorithmBox.
Added AlgorithmControlWidget::on_algorithmSelectBox_currentIndexChanged().
AlgorithmControlWidget now able to show AlgorithmConfigDialogs.
Some renamings in AlgorithmControlWidget.ui.
Refactored main() and MainWindow to match new gui architecture.