Added enforcer rule to make sure JDK 6 is used on deploy
Added enforcer rule to make sure JDK 6 is used on deploy

christiaandejong/AxonFramework,krosenvold/AxonFramework,soulrebel/AxonFramework,adinath/AxonFramework,AxonFramework/AxonFramework,bojanv55/AxonFramework,BrentDouglas/AxonFramework,phaas/AxonFramework,oiavorskyi/AxonFramework,fpape/AxonFramework,Cosium/AxonFramework