Changed minimum stability to "RC"
Changed minimum stability to "RC"

Temporarily required because there is a dependency on
symfony-cmf/testing ~RC. This package should be released as stable in
the next few days.

sulu-io/sulu-standard,symcloud/symcloud-standard,vincent-chapron/sulu-standard,sulu-io/sulu-standard,wachterjohannes/sulu-standard,lengpiseth/sulu-standard,euclidescohen/sulu-standard,wachterjohannes/sulu-standard,lengpiseth/sulu-standard,sulu-io/sulu-complete,vincent-chapron/sulu-standard,euclidescohen/sulu-standard,sulu-io/sulu-complete,symcloud/symcloud-standard,sulu-io/sulu-complete,jmolivas/sulu-standard,euclidescohen/sulu-standard,vincent-chapron/sulu-standard,lengpiseth/sulu-standard,fahadonline/sulu,jmolivas/sulu-standard,fahadonline/sulu,fahadonline/sulu,fahadonline/sulu,sulu-io/sulu-standard,jmolivas/sulu-standard,symcloud/symcloud-standard,wachterjohannes/sulu-standard