[maven-release-plugin] prepare release checkstyle-6.6
[maven-release-plugin] prepare release checkstyle-6.6

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