[UIMA-3969] run the JSON tests with the XMI serializer, for more coverage of the XMI serialization.  Add tests for case of indexed single ref'd list, static and dynamic.

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1631873 13f79535-47bb-0310-9956-ffa450edef68
[UIMA-3969] doc updates, grammar fixes, etc.

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1631875 13f79535-47bb-0310-9956-ffa450edef68
no Jira - remove lock file accidently checked in

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1631878 13f79535-47bb-0310-9956-ffa450edef68
[UIMA-3969] testing support

git-svn-id: https://svn.apache.org/repos/asf/uima/uimaj/trunk@1631879 13f79535-47bb-0310-9956-ffa450edef68