SONAR-5874 Support deprecated org.sonar.api.rules.RuleRepository when extending rules of org.sonar.api.server.rule.RulesDefinition
Automatic merge from branch-4.5

* origin/branch-4.5:
  SONAR-5874 Support deprecated org.sonar.api.rules.RuleRepository when extending rules of org.sonar.api.server.rule.RulesDefinition