OWB-1182 force Java8
OWB-1182 force Java8

merged from -r1697857 originally done by rsandtner


git-svn-id: 6e2e506005f11016269006bf59d22f905406eeba@1796316 13f79535-47bb-0310-9956-ffa450edef68

apache/openwebbeans,apache/openwebbeans,apache/openwebbeans