README: Change website link
README: Change website link

Change website link form http://coala-analyzer.org/ to http://coala.io/

Closes https://github.com/coala-analyzer/coala/issues/2741

damngamerz/coala,arjunsinghy96/coala,Asnelchristian/coala,Asalle/coala,aptrishu/coala,coala-analyzer/coala,Shade5/coala,RJ722/coala,MariosPanag/coala,meetmangukiya/coala,NiklasMM/coala,Asnelchristian/coala,NiklasMM/coala,arjunsinghy96/coala,Shade5/coala,ayushin78/coala,sils1297/coala,arush0311/coala,JohnS-01/coala,impmihai/coala,CruiseDevice/coala,damngamerz/coala,arush0311/coala,ayushin78/coala,netman92/coala,JohnS-01/coala,yashLadha/coala,refeed/coala,CruiseDevice/coala,sagark123/coala,MariosPanag/coala,aptrishu/coala,jayvdb/coala,RJ722/coala,meetmangukiya/coala,coala/coala,arjunsinghy96/coala,impmihai/coala,SanketDG/coala,shreyans800755/coala,Balaji2198/coala,nemaniarjun/coala,rimacone/testing2,yashtrivedi96/coala,ayushin78/coala,Shade5/coala,jayvdb/coala,kartikeys98/coala,JohnS-01/coala,incorrectusername/coala,incorrectusername/coala,shreyans800755/coala,jayvdb/coala,meetmangukiya/coala,rimacone/testing2,aptrishu/coala,Balaji2198/coala,karansingh1559/coala,rimacone/testing2,Asalle/coala,Nosferatul/coala,Asalle/coala,Balaji2198/coala,yashLadha/coala,sagark123/coala,Asnelchristian/coala,impmihai/coala,coala/coala,Nosferatul/coala,refeed/coala,NiklasMM/coala,RJ722/coala,coala/coala,sils1297/coala,kartikeys98/coala,sagark123/coala,refeed/coala,SanketDG/coala,SanketDG/coala,netman92/coala,coala-analyzer/coala,Nosferatul/coala,sils1297/coala,MariosPanag/coala,karansingh1559/coala,incorrectusername/coala,yashtrivedi96/coala,yashLadha/coala,damngamerz/coala,karansingh1559/coala,nemaniarjun/coala,CruiseDevice/coala,shreyans800755/coala,netman92/coala,arush0311/coala,nemaniarjun/coala,yashtrivedi96/coala,kartikeys98/coala,coala-analyzer/coala