KEYCLOAK-3936 Fix keycloak-authz-client JDK7 compatibility
KEYCLOAK-3936 Fix keycloak-authz-client JDK7 compatibility

ssilvert/keycloak,pedroigor/keycloak,thomasdarimont/keycloak,ahus1/keycloak,darranl/keycloak,reneploetz/keycloak,keycloak/keycloak,reneploetz/keycloak,stianst/keycloak,darranl/keycloak,raehalme/keycloak,pedroigor/keycloak,ahus1/keycloak,darranl/keycloak,mposolda/keycloak,ahus1/keycloak,thomasdarimont/keycloak,manuel-palacio/keycloak,mhajas/keycloak,mposolda/keycloak,hmlnarik/keycloak,hmlnarik/keycloak,abstractj/keycloak,manuel-palacio/keycloak,pedroigor/keycloak,chameleon82/keycloak,raehalme/keycloak,stianst/keycloak,stianst/keycloak,thomasdarimont/keycloak,abstractj/keycloak,mposolda/keycloak,ahus1/keycloak,srose/keycloak,almighty/keycloak,didiez/keycloak,srose/keycloak,ssilvert/keycloak,pedroigor/keycloak,brat000012001/keycloak,chameleon82/keycloak,chameleon82/keycloak,jpkrohling/keycloak,hmlnarik/keycloak,jpkrohling/keycloak,almighty/keycloak,agolPL/keycloak,brat000012001/keycloak,reneploetz/keycloak,keycloak/keycloak,hmlnarik/keycloak,mhajas/keycloak,mhajas/keycloak,abstractj/keycloak,mposolda/keycloak,almighty/keycloak,vmuzikar/keycloak,thomasdarimont/keycloak,jpkrohling/keycloak,mhajas/keycloak,chameleon82/keycloak,brat000012001/keycloak,srose/keycloak,mbaluch/keycloak,agolPL/keycloak,vmuzikar/keycloak,raehalme/keycloak,reneploetz/keycloak,ahus1/keycloak,manuel-palacio/keycloak,ssilvert/keycloak,pedroigor/keycloak,agolPL/keycloak,ssilvert/keycloak,mbaluch/keycloak,agolPL/keycloak,keycloak/keycloak,vmuzikar/keycloak,didiez/keycloak,abstractj/keycloak,brat000012001/keycloak,brat000012001/keycloak,vmuzikar/keycloak,didiez/keycloak,srose/keycloak,manuel-palacio/keycloak,raehalme/keycloak,mbaluch/keycloak,raehalme/keycloak,keycloak/keycloak,mhajas/keycloak,mposolda/keycloak,jpkrohling/keycloak,mposolda/keycloak,mbaluch/keycloak,stianst/keycloak,thomasdarimont/keycloak,reneploetz/keycloak,stianst/keycloak,ssilvert/keycloak,abstractj/keycloak,keycloak/keycloak,srose/keycloak,didiez/keycloak,ahus1/keycloak,almighty/keycloak,hmlnarik/keycloak,vmuzikar/keycloak,thomasdarimont/keycloak,pedroigor/keycloak,vmuzikar/keycloak,hmlnarik/keycloak,raehalme/keycloak,jpkrohling/keycloak,darranl/keycloak