adds coverage badge.
adds coverage badge.
modeset/teaspoon,iainbeeston/teaspoon,andresbravog/teaspoon,Gusto/teaspoon,derby-developers/teaspoon,derby-developers/teaspoon,Gusto/teaspoon,bouk/teaspoon,modeset/teaspoon,bouk/teaspoon,beni55/teaspoon,ZenPayroll/teaspoon,andresbravog/teaspoon,ZenPayroll/teaspoon,andresbravog/teaspoon,iainbeeston/teaspoon,bouk/teaspoon,beni55/teaspoon,derby-developers/teaspoon,iainbeeston/teaspoon,beni55/teaspoon,modeset/teaspoon