[UIMA-2086] Require maven 3, Java 5 using enforcer plugin (prereq element doesn't enforce)
[UIMA-2086] Require maven 3, Java 5 using enforcer plugin (prereq element doesn't enforce)

git-svn-id: 71fdd81d427d1664ceef220cd41fb697a2614719@1495008 13f79535-47bb-0310-9956-ffa450edef68

apache/uima-build,apache/uima-build,apache/uima-build