infra: update for Travis badge to reference OS types and make image looks non-blur on mobile browser
infra: update for Travis badge to reference OS types and make image looks non-blur on mobile browser
sirdis/checkstyle,rnveach/checkstyle,rnveach/checkstyle,ilanKeshet/checkstyle,rnveach/checkstyle,gallandarakhneorg/checkstyle,gallandarakhneorg/checkstyle,jonmbake/checkstyle,AkshitaKukreja30/checkstyle,checkstyle/checkstyle,checkstyle/checkstyle,sabaka/checkstyle,jasonchaffee/checkstyle,jochenvdv/checkstyle,jonmbake/checkstyle,Bhavik3/checkstyle,rnveach/checkstyle,checkstyle/checkstyle,ilanKeshet/checkstyle,romani/checkstyle,checkstyle/checkstyle,sharang108/checkstyle,nikhilgupta23/checkstyle,AkshitaKukreja30/checkstyle,romani/checkstyle,MEZk/checkstyle,baratali/checkstyle,gallandarakhneorg/checkstyle,HubSpot/checkstyle,romani/checkstyle,sirdis/checkstyle,vboerchers/checkstyle,izishared/checkstyle,izishared/checkstyle,checkstyle/checkstyle,sabaka/checkstyle,bansalayush/checkstyle,sharang108/checkstyle,HubSpot/checkstyle,sharang108/checkstyle,jasonchaffee/checkstyle,romani/checkstyle,bansalayush/checkstyle,sabaka/checkstyle,jochenvdv/checkstyle,vboerchers/checkstyle,jasonchaffee/checkstyle,liscju/checkstyle,nikhilgupta23/checkstyle,checkstyle/checkstyle,Bhavik3/checkstyle,attatrol/checkstyle,HubSpot/checkstyle,bansalayush/checkstyle,attatrol/checkstyle,jochenvdv/checkstyle,MEZk/checkstyle,liscju/checkstyle,romani/checkstyle,MEZk/checkstyle,nikhilgupta23/checkstyle,izishared/checkstyle,rnveach/checkstyle,liscju/checkstyle,AkshitaKukreja30/checkstyle,rnveach/checkstyle,attatrol/checkstyle,romani/checkstyle,baratali/checkstyle,Bhavik3/checkstyle,ilanKeshet/checkstyle,vboerchers/checkstyle,sirdis/checkstyle,baratali/checkstyle,jonmbake/checkstyle