adding release notes draft for upcoming deltaspike-0.5 release
adding release notes draft for upcoming deltaspike-0.5 release

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