Update description of "sonar.technicalDebt.ratingGrid"
SONAR-5621 merge log files
SONAR-5621 Merge server log files into a single one
Automatic merge from branch-4.5

* origin/branch-4.5:
  SONAR-5621 Merge server log files into a single one
  SONAR-5621 merge log files
  Update description of "sonar.technicalDebt.ratingGrid"