define Group.ANONYMOUS_ID and Group.ADMIN_Id and use instead of 0,1
[DS-2036] DSpace upgrade with oracle database, no discovery results
Merge pull request #525 from akinom/GROUP.Anonymous_Admin-Constants

DS-1982 define Group.ANONYMOUS_ID and Group.ADMIN_Id and use instead of 0,1
[DS-2036] DSpace upgrade with oracle database, no discovery results
Merge pull request #554 from KevinVdV/DS-2036

[DS-2036] DSpace upgrade with oracle database, no discovery results