no Jira - clarify in the RELEASE_NOTES that ConcurrentModificationExceptions can be caused by the automatic index protection mechanism, and what to do about it.
no Jira - clarify in the RELEASE_NOTES that ConcurrentModificationExceptions can be caused by the automatic index protection mechanism, and what to do about it.

git-svn-id: a5af42c550a078756190f4e79161aff2e348b436@1660704 13f79535-47bb-0310-9956-ffa450edef68

apache/uima-uimaj,apache/uima-uimaj,apache/uima-uimaj,apache/uima-uimaj,apache/uima-uimaj