UIMA-1024
UIMA-1024

udpate version number to 2.3.0-incubating-SNAPSHOT

https://issues.apache.org/jira/browse/UIMA-1024

git-svn-id: dd361d0afbe84f3eb97f7061549e905c2c5df34b@671069 13f79535-47bb-0310-9956-ffa450edef68

apache/uima-sandbox,apache/uima-sandbox,apache/uima-sandbox