added release notes.
added release notes.

baratali/checkstyle,vboerchers/checkstyle,cs1331/checkstyle,jdoyle65/checkstyle,ilanKeshet/checkstyle,gallandarakhneorg/checkstyle,izishared/checkstyle,zofuthan/checkstyle-1,checkstyle/checkstyle,WilliamRen/checkstyle,naver/checkstyle,pietern/checkstyle,universsky/checkstyle,autermann/checkstyle,izishared/checkstyle,jonmbake/checkstyle,MEZk/checkstyle,naver/checkstyle,nikhilgupta23/checkstyle,attatrol/checkstyle,checkstyle/checkstyle,FeodorFitsner/checkstyle,another-dave/checkstyle,StetsiukRoman/checkstyle,gallandarakhneorg/checkstyle,nikhilgupta23/checkstyle,jochenvdv/checkstyle,romani/checkstyle,beckerhd/checkstyle,sharang108/checkstyle,checkstyle/checkstyle,StetsiukRoman/checkstyle,baratali/checkstyle,rmswimkktt/checkstyle,rnveach/checkstyle,nikhilgupta23/checkstyle,WonderCsabo/checkstyle,autermann/checkstyle,zofuthan/checkstyle-1,universsky/checkstyle,FeodorFitsner/checkstyle,designreuse/checkstyle,rmswimkktt/checkstyle,rnveach/checkstyle,rnveach/checkstyle,Godin/checkstyle,jdoyle65/checkstyle,WonderCsabo/checkstyle,romani/checkstyle,MEZk/checkstyle,cs1331/checkstyle,llocc/checkstyle,sabaka/checkstyle,checkstyle/checkstyle,pbaranchikov/checkstyle,zofuthan/checkstyle-1,HubSpot/checkstyle,llocc/checkstyle,beckerhd/checkstyle,pietern/checkstyle,Godin/checkstyle,vboerchers/checkstyle,rnveach/checkstyle,Andrew0701/checkstyle,universsky/checkstyle,romani/checkstyle,sharang108/checkstyle,sabaka/checkstyle,checkstyle/checkstyle,sabaka/checkstyle,WilliamRen/checkstyle,liscju/checkstyle,bansalayush/checkstyle,jochenvdv/checkstyle,philwebb/checkstyle,WilliamRen/checkstyle,jasonchaffee/checkstyle,checkstyle/checkstyle,another-dave/checkstyle,FeodorFitsner/checkstyle,ivanov-alex/checkstyle,vboerchers/checkstyle,designreuse/checkstyle,sirdis/checkstyle,llocc/checkstyle,HubSpot/checkstyle,Bhavik3/checkstyle,ilanKeshet/checkstyle,bansalayush/checkstyle,bansalayush/checkstyle,romani/checkstyle,cs1331/checkstyle,pbaranchikov/checkstyle,liscju/checkstyle,jasonchaffee/checkstyle,jonmbake/checkstyle,AkshitaKukreja30/checkstyle,naver/checkstyle,mkordas/checkstyle,romani/checkstyle,attatrol/checkstyle,baratali/checkstyle,autermann/checkstyle,jasonchaffee/checkstyle,Godin/checkstyle,Bhavik3/checkstyle,philwebb/checkstyle,liscju/checkstyle,Andrew0701/checkstyle,AkshitaKukreja30/checkstyle,Bhavik3/checkstyle,sirdis/checkstyle,ilanKeshet/checkstyle,WonderCsabo/checkstyle,sirdis/checkstyle,MEZk/checkstyle,pietern/checkstyle,designreuse/checkstyle,rnveach/checkstyle,another-dave/checkstyle,rnveach/checkstyle,philwebb/checkstyle,mkordas/checkstyle,StetsiukRoman/checkstyle,sharang108/checkstyle,rmswimkktt/checkstyle,izishared/checkstyle,jochenvdv/checkstyle,jonmbake/checkstyle,ivanov-alex/checkstyle,HubSpot/checkstyle,ivanov-alex/checkstyle,beckerhd/checkstyle,mkordas/checkstyle,attatrol/checkstyle,romani/checkstyle,gallandarakhneorg/checkstyle,AkshitaKukreja30/checkstyle