Automatic merge from branch-5.4

* origin/branch-5.4:
  SONAR-7384 ensure no thread can await its own termination in Monitor
  SONAR-7316 do not create a builder for each changeset
  SONAR-7316 DbScmInfo should use a single ChangeSet object per revision
  SONAR-7316 use String.intern to store ChangeSet#revision
  SONAR-7316 Use String.intern to store author in ChangeSet
  fix widgets resizing on the overview page

diff --cc server/sonar-web/src/main/js/apps/overview/components/complexity-distribution.js
Simple merge

diff --cc server/sonar-web/src/main/js/apps/overview/components/domain-bubble-chart.js
Simple merge

diff --cc server/sonar-web/src/main/js/apps/overview/components/domain-timeline.js
Simple merge

diff --cc server/sonar-web/src/main/js/apps/overview/components/ncloc-distribution.js
Simple merge