BS-906
Export connector wizard can lead to an error in the chosen connector

Conflicts:
	bundles/plugins/org.bonitasoft.studio.connectors/src/org/bonitasoft/studio/connectors/ui/wizard/ExportConnectorWizard.java
	bundles/plugins/org.bonitasoft.studio.connectors/src/org/bonitasoft/studio/connectors/ui/wizard/page/ExportConnectorWizardPage.java
Merge branch 'master' of https://github.com/bonitasoft/bonita-studio.git