UIMA-3965 Don't reference a manually stopped service.
UIMA-3967 If modified registration value is 'delete', delete the value from the registration.


git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1614744 13f79535-47bb-0310-9956-ffa450edef68
UIMA-3967 If modified registration value is 'delete', delete the value from the registration.


git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1614745 13f79535-47bb-0310-9956-ffa450edef68