DELTASPIKE-792 - Fix javadoc generation for JDK < 8
DELTASPIKE-792 - Fix javadoc generation for JDK < 8

os890/DS_Discuss,danielsoro/deltaspike,subaochen/deltaspike,rdicroce/deltaspike,mlachat/deltaspike,tremes/deltaspike,danielsoro/deltaspike,idontgotit/deltaspike,os890/deltaspike-vote,struberg/deltaspike,os890/DS_Discuss,Danny02/deltaspike,apache/deltaspike,mlachat/deltaspike,subaochen/deltaspike,tremes/deltaspike,chkal/deltaspike,os890/deltaspike-vote,os890/DS_Discuss,subaochen/deltaspike,Danny02/deltaspike,danielsoro/deltaspike,os890/deltaspike-vote,subaochen/deltaspike,os890/deltaspike-vote,idontgotit/deltaspike,mlachat/deltaspike,rdicroce/deltaspike,Danny02/deltaspike,jharting/deltaspike,struberg/deltaspike,idontgotit/deltaspike,apache/deltaspike,rdicroce/deltaspike,struberg/deltaspike,struberg/deltaspike,jharting/deltaspike,chkal/deltaspike,jharting/deltaspike,rdicroce/deltaspike,chkal/deltaspike,mlachat/deltaspike,apache/deltaspike,tremes/deltaspike,Danny02/deltaspike,danielsoro/deltaspike,tremes/deltaspike,idontgotit/deltaspike,os890/DS_Discuss,chkal/deltaspike,apache/deltaspike