Merge pull request #519 from eric-wu/release-1

Adjust throughputs according to the most recent monitoring
Remove logging the metric as CloudWatch is showing the correct numbers
Better metric names and other code optimization
PLFM-1975 Turn on CloudWatch metrics for the controllers
Remove the controller CloudWatch switch in testing as it is turned on by default in prod
Merge pull request #521 from eric-wu/release-1

PLFM-1975 Turn on CloudWatch metrics for the controllers
Merge pull request #522 from eric-wu/quickfix

Light refactoring for dynamo workers
Merge branch 'release-1' into quickfix
Merge pull request #523 from eric-wu/quickfix

Merge down from release-1
SWC-651 -- successfully created Jira issue
SWC-651
Remove unused import
Rename PermissionsManager to EntityPermissionsManager
Add UserEvaluationPermissions
Add EvaluationPermissionsManager skeleton code
Relocate user group methods from permissions manager to user manager. Continue renaming PermissionsManager to EntityPermissionsManager
Wire up evaluation permissions manager to the service level
SWC-651
SWC-651
SWC-651