PLFM-1700 Implement purging at the manager level
PLFM-1700 Add more tests for purging at the manager level
PLFM-1700 Implement purging at the controller level
PLFM-1700 Implement purging at the Java client
PLFM-1700 Implement purging at the manager level
PLFM-1700 Add more tests for purging at the manager level
PLFM-1700 Implement purging at the controller level
PLFM-1700 Implement purging at the Java client
Refresh from upstream
Merge pull request #323 from eric-wu/develop

PLFM-1700 Implement trash can purging