SONAR-5255 Fix FF, break IE11
SONAR-5718 Add "unassigned" item on assignees facet
SONAR-5753 Provisioned projects should also have UUID
SONAR-5753 Should not fail when updating permission on Views and Devs (as they have no uuid for the moment)
Fix quality flaw
Remove JFreeChart from batch classpath
SONAR-5705 Drop support of Maven 2
SONAR-5753 Fix mssql tests by removing uniqueness of projects.uuid index and remove useless index on projects.project_uuid
Fix JDBC connection leak when executing tests on non-H2
SONAR-5698 - Compute Engine - remove unecessary updatedAt field from histo WS
Automatic merge from branch-4.5

* origin/branch-4.5:
  SONAR-5255 Fix FF, break IE11
Add file logs/analysis_reports.log
Fix header
SONAR-5753 Fix migration on mssql
SONAR-5753 Remove issue update when renaming component keys
Add tests to SwitchLogbackAppenderTest
Add comment to AnalysisReportTaskLauncher
Fix quality flaws
Fix SwitchLogbackAppenderTest
SONAR-5582 remove XRadar chart