Update maven-enforcer-plugin to 1.4 for issue #644
Update maven-enforcer-plugin to 1.4 for issue #644

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