[UIMA-4537] Upgrade to UIMA 2.8.0/2.8.1
[UIMA-4537] Upgrade to UIMA 2.8.0/2.8.1

git-svn-id: f7adb4a3fc249795195d7f09f0dc06f009cc8c6d@1720263 13f79535-47bb-0310-9956-ffa450edef68

apache/uima-uimafit,apache/uima-uimafit,apache/uima-uimafit