Merge pull request #303 from bkng/develop

pull 299 code review changes
PLFM-1736: Synapse admin permissions for Evaluations and Submissions

Conflicts:
	services/repository-managers/src/main/java/org/sagebionetworks/repo/manager/AuthorizationManagerImpl.java
	services/repository-managers/src/test/java/org/sagebionetworks/repo/manager/AuthorizationManagerImplUnitTest.java