Add bundle default curl opts params
Remove old commented-out service config
Pass bundle curl opts to http client service
Actually really pass bundle curl opts params to http client service
Refactor css validator domains to ignore tests; set curl opts on css validator requests
Refactor css validator domains to ignore tests; set curl opts on css validator requests
Refactor css validator ignore warnings tests; verify curl opts are set on requests
Further refactor domains to ignore tests
Remove unused fixtures
Refactor css validator tests