Merge branch 'half_automatic_cor' into 'master'

.gitlab-ci.yml

doc/applications/saaxis.rst

doc/developer.rst

doc/ext/snapshotqt_directive.py

doc/index.rst

doc/tutorials/index.rst

doc/tutorials/notebooks/saaxis.ipynb

doc/tutorials/notebooks/workflow_operation.ipynb

doc/widgets/img/saaxis/saaxis.png

doc/widgets/saaxiswidget.rst

examples/datawatcher.py

examples/orangeworkflow.py

orangecontrib/tomwer/orange/managedprocess.py

orangecontrib/tomwer/test/TestAcquisition.py

orangecontrib/tomwer/test/test_axis_reconstruction.py

orangecontrib/tomwer/test/test_scanlist_ftserie.py

orangecontrib/tomwer/widgets/control/DataSelectorOW.py

orangecontrib/tomwer/widgets/control/FilterOW.py

orangecontrib/tomwer/widgets/control/TimerOW.py

orangecontrib/tomwer/widgets/reconstruction/AxisOW.py