Apply $ZUUL_URL to git-mwcore macro

Updates:

mediawiki-core-doxygen-publish
mediawiki-core-install-sqlite
mediawiki-core-jsduck
mediawiki-core-jsduck-publish
mediawiki-core-jslint
mediawiki-core-lint
mediawiki-core-phpunit-api
mediawiki-core-phpunit-databaseless
mediawiki-core-phpunit-misc
mediawiki-core-phpunit-parser
mediawiki-core-qunit
mediawiki-core-regression-REL1_19
mediawiki-core-regression-REL1_20
mediawiki-core-regression-REL1_21
mediawiki-core-regression-REL1_22
mediawiki-core-regression-REL1_23
mediawiki-core-regression-hhvm-REL1_19
mediawiki-core-regression-hhvm-REL1_20
mediawiki-core-regression-hhvm-REL1_21
mediawiki-core-regression-hhvm-REL1_22
mediawiki-core-regression-hhvm-REL1_23
mediawiki-core-regression-hhvm-master
mediawiki-core-regression-master
mediawiki-core-whitespaces

Change-Id: Id0092cf92a06f5ced1028a8fdc9b31c41dc7c7dc