ui: add Electre Tri graphic support
qgis_utils: fix decision map saving and rendering
ui: fix some bugs...
ui: main_window: fix display of graph in thresholds tab
mcda: Criteria: add function to get list of active criteria
mcda: PerformanceTable: add method to check if pt is complete
main: display an error message if the profiles table is not complete
main: add load/save XMCDA functionalities
main: check consistency of the parameters of the loaded model
table: do not allow empty criterion value in table
graphic: avoid error when performance is present
table: Do not allow empty weights value in criteria table
main: update criteria weights and direction when loading xmcda
mcda: add missing generate.py
table: qt_performance_table: add possibility to lock table items
qt_performance_table: add possibility to add assignments in first column
main: add support to choose reference actions to be used for inference
pysimplesoap: fix warning

simplexml.py:132: FutureWarning: The behavior of this method will change
in future versions.  Use specific 'len(elem)' or 'elem is not None' test
instead
main: add support for inference