macro mw-apply-settings

wrap around /srv/slave-scripts/bin/mw-apply-settings.sh, used to inject
in LocalSettings.php the PHP configuration files from
integration/jenkins.git /mediawiki/conf.d/

Change-Id: I712138ee3b71ab26098659dd26768ca7453d8db7
publisher phpunit-junit-2 for mw-apply-settings macro

The slave script mw-apply-settings.sh, introduced by
https://gerrit.wikimedia.org/r/#/c/90146/, output log under
$WORKSPACE/log/junit-mw-phunit.xml

The new publisher macro phpunit-junit-2 looks for that file.

Change-Id: I6ec3a0b9a760750a7d5d2f7f8762b6fb0cc58c0c