Metering 0.12.0

- Store JVM GC logs in a log file within each pod
- Fix AWS Billing ReportDataSource handling
- Improve validation of ReportGenerationQueries
- Support setting tolerations and pod affinity on all components
- Fix Presto query buffer accounting that caused invalid SQL to be
sent to Presto in cases where the Query buffer reached max capacity
- Update ScheduledReports to fully handle all Report uses additionally.
This is in preparation of combining the Report and ScheduledReport
resources into a single Report CRD.