BS-6549
Remove a form field does not remove all references
BS-2856
data used in pattern expressions (e.g. db request, mail ) are not
refactored
BS-1774
[6.0.4] Checkbox list widget default types suggested are String instead
of List or map

Conflicts:
	bundles/plugins/org.bonitasoft.studio-models/form/form.gmfgen
Merge branch 'master' of https://github.com/bonitasoft/bonita-studio.git

Conflicts:
	bundles/plugins/org.bonitasoft.studio.common/src/org/bonitasoft/studio/common/emf/tools/ModelHelper.java