BS-8601: Add referenced elements for Variable in left operand of
operation that are missing ones. This is done during migration so
created a new model version.
BS-7207: open popup in synchronous mode
BS-7872 Improvement on refactoring while deleting data, parameter or widget

- Fix missing right operand in outlines
- Fix algo while looking for referencies when multiple dependencies with the same type + unit tests
- If deleted element is not referenced, the tables with treeview is not shown
Follow web structure refactor, upgrade maven-dependency-plugin version,
strip classifier and use the default artifact to avoid build of
dedicated artifact for Studio.
BS-8347: support export of List expression in Forms
BS-7872 Update text and internationalization after ergo iteration
BS-7872 Fix tests after changes of text
+ correct import of Assert to org.junit.Assert instead of
junit.framework.Assert
BS-7872 Fix internationalization (missing commit)
BS-8664: Provide two new actions to open URLs in external browser from
Welcome page
fix headers
BS-8746: use UTF-8 encoding to scan .proc files
BS-8199 Fix Import & Export of .bpmn files

- Export :
-- set boundary timer event atatchedRed properties to the parent activity instead of itself
Import :
-- Add the non interrupting_timer_boundary cases when missing
-- Remove the set of ModelVersion and ProductVersion on the created proc file to the current version instead of 5.5.
handle the case of no date for rss feed on welcome page
Merge remote-tracking branch 'origin/6.3.x' into BS-2683_DM_Compo

Conflicts:
	bundles/plugins/org.bonitasoft.studio.console.libs/META-INF/MANIFEST.MF