Merge remote-tracking branch 'origin/testing' into feature/sdio

Conflicts:
	wiki/src/doc/first_steps/installation.fr.po
	wiki/src/doc/first_steps/persistence.fr.po
	wiki/src/doc/first_steps/persistence/configure.fr.po
	wiki/src/doc/first_steps/upgrade.fr.po
	wiki/src/support/known_issues.fr.po
	wiki/src/support/troubleshooting.fr.po