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* use hotspot instead of openj9 (bug with macos)

Closes BST-52

Conflicts:
	community/bundles/plugins/org.bonitasoft.studio.actors/plugin_pt_BR.properties
	community/bundles/plugins/org.bonitasoft.studio.engine/messages_pt_BR.properties
	community/bundles/plugins/org.bonitasoft.studio.groovy.ui/messages_fr.properties
	community/bundles/plugins/org.bonitasoft.studio.ui/messages_es.properties
	community/bundles/plugins/org.bonitasoft.studio.ui/messages_fr.properties
	community/bundles/plugins/org.bonitasoft.studio.ui/messages_ja.properties
	community/bundles/plugins/org.bonitasoft.studio.ui/messages_pt_BR.properties
	subscription/bundles/plugins/org.bonitasoft.studio.configuration.ex/messages_es.properties
	subscription/bundles/plugins/org.bonitasoft.studio.configuration.ex/messages_fr.properties
	subscription/bundles/plugins/org.bonitasoft.studio.configuration.ex/messages_ja.properties
	subscription/bundles/plugins/org.bonitasoft.studio.configuration.ex/messages_pt_BR.properties
	subscription/bundles/plugins/org.bonitasoft.studio.configuration.ex/plugin_es.properties
	subscription/bundles/plugins/org.bonitasoft.studio.configuration.ex/plugin_fr.properties
	subscription/bundles/plugins/org.bonitasoft.studio.configuration.ex/plugin_ja.properties
	subscription/bundles/plugins/org.bonitasoft.studio.configuration.ex/plugin_pt_BR.properties

* Add a validator in the bos import validation to warn about rest api
dependencies to update to ensure java11 compliance
* Add a aggregation mechanism for the bos import status (only for some
rest api statuses for now)

closes [BST-25](https://bonitasoft.atlassian.net/browse/BST-25)

* use maven toolchain plugin to run only tests with jdk11
* use jaxb-api from engine dependency
* hack context classloader due to tyyco-surefire-plugin bug
* log a warning when refreshing repository store
* add flag to run tests with java 11
* configure toolchain maven plugin
* test la-builder with java 11
* add jaxws-ri for webservice connector tests

Closes BST-14

# Conflicts:
#	community/pom.xml
#	subscription/pom.xml

closes [BST-47](https://bonitasoft.atlassian.net/browse/BST-47)

Closes BST-10

* It can only be done from the deploy popup menu, to ensure consistency

* When validation processes before bar export, we do  not say anymore
'errors' if there is only warnings on the diagram
* Add validation before build when the action is done from the explorer

closes [BS-19179](https://bonitasoft.atlassian.net/browse/BS-19179)

Closes BS-19236