[JENKINS-61478] Using "info" alert styles as default
[JENKINS-61478] Using "info" alert styles as default

Copied the colors from the "info" alert in bootstrap for the default

patbos/jenkins,MarkEWaite/jenkins,damianszczepanik/jenkins,rsandell/jenkins,DanielWeber/jenkins,v1v/jenkins,ikedam/jenkins,jenkinsci/jenkins,v1v/jenkins,v1v/jenkins,rsandell/jenkins,DanielWeber/jenkins,daniel-beck/jenkins,pjanouse/jenkins,patbos/jenkins,rsandell/jenkins,DanielWeber/jenkins,daniel-beck/jenkins,viqueen/jenkins,pjanouse/jenkins,damianszczepanik/jenkins,MarkEWaite/jenkins,MarkEWaite/jenkins,jenkinsci/jenkins,patbos/jenkins,patbos/jenkins,MarkEWaite/jenkins,daniel-beck/jenkins,jenkinsci/jenkins,MarkEWaite/jenkins,jenkinsci/jenkins,oleg-nenashev/jenkins,daniel-beck/jenkins,jenkinsci/jenkins,ikedam/jenkins,v1v/jenkins,patbos/jenkins,DanielWeber/jenkins,rsandell/jenkins,damianszczepanik/jenkins,DanielWeber/jenkins,ikedam/jenkins,viqueen/jenkins,daniel-beck/jenkins,daniel-beck/jenkins,ikedam/jenkins,viqueen/jenkins,oleg-nenashev/jenkins,pjanouse/jenkins,MarkEWaite/jenkins,v1v/jenkins,oleg-nenashev/jenkins,pjanouse/jenkins,MarkEWaite/jenkins,ikedam/jenkins,DanielWeber/jenkins,ikedam/jenkins,rsandell/jenkins,patbos/jenkins,jenkinsci/jenkins,viqueen/jenkins,damianszczepanik/jenkins,oleg-nenashev/jenkins,damianszczepanik/jenkins,daniel-beck/jenkins,oleg-nenashev/jenkins,pjanouse/jenkins,damianszczepanik/jenkins,viqueen/jenkins,damianszczepanik/jenkins,daniel-beck/jenkins,rsandell/jenkins,MarkEWaite/jenkins,oleg-nenashev/jenkins,rsandell/jenkins,ikedam/jenkins,ikedam/jenkins,jenkinsci/jenkins,viqueen/jenkins,patbos/jenkins,pjanouse/jenkins,viqueen/jenkins,v1v/jenkins,damianszczepanik/jenkins,rsandell/jenkins,pjanouse/jenkins,oleg-nenashev/jenkins,jenkinsci/jenkins,v1v/jenkins,DanielWeber/jenkins