Set max and step of combo box in aggregation keywords dialogs.
Add question to wizard.
Elder to elderly.
Check total ratio before continue the wizard.
Change use default to global default in wizard.
Global default in keywords dialog.
Use breakdown_defaults.
Check sum age ratios in keywords dialog.
Add unit test in keywords dialog.
Add integrated unit test.
Refactor unit test.
add experimental to impact functions title.
Merge remote-tracking branch 'origin/develop' into fix_wizard
Cleaner unit test.
Tim's review
Test integrated polygon.
Merge remote-tracking branch 'origin/develop' into fix_wizard
Merge pull request #1017 from ismailsunni/fix_wizard

Fix wizard