Automatic merge from branch-5.0

* origin/branch-5.0:
  SONAR-5849 Performance issue of Project Referentials WS for project with many modules
  SONAR-5849 Extract logic from ProjectReferentialsAction to ProjectReferentialsLoader

diff --cc server/sonar-server/src/main/java/org/sonar/server/platform/ServerComponents.java
Simple merge

diff --cc server/sonar-server/src/test/java/org/sonar/server/issue/IssueServiceMediumTest.java
Simple merge

diff --cc server/sonar-server/src/test/java/org/sonar/server/issue/ws/SearchActionMediumTest.java
Simple merge

diff --cc sonar-core/src/main/java/org/sonar/core/persistence/MyBatis.java
Simple merge