UIMA-3740 Pass number of registered instances to pinger.


git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1616277 13f79535-47bb-0310-9956-ffa450edef68
UIMA-3967 If modified registration value is 'default', revert to default value.


git-svn-id: https://svn.apache.org/repos/asf/uima/sandbox/uima-ducc/trunk@1616279 13f79535-47bb-0310-9956-ffa450edef68