Make it possible to override the url used by Page._get_dummy_headers()
Make it possible to override the url used by Page._get_dummy_headers()

torchbox/wagtail,kaedroho/wagtail,zerolab/wagtail,jnns/wagtail,nimasmi/wagtail,thenewguy/wagtail,zerolab/wagtail,kaedroho/wagtail,nimasmi/wagtail,torchbox/wagtail,kaedroho/wagtail,gasman/wagtail,rsalmaso/wagtail,takeflight/wagtail,gasman/wagtail,wagtail/wagtail,torchbox/wagtail,takeflight/wagtail,thenewguy/wagtail,timorieber/wagtail,jnns/wagtail,rsalmaso/wagtail,zerolab/wagtail,rsalmaso/wagtail,mixxorz/wagtail,nimasmi/wagtail,rsalmaso/wagtail,timorieber/wagtail,zerolab/wagtail,gasman/wagtail,wagtail/wagtail,mixxorz/wagtail,FlipperPA/wagtail,wagtail/wagtail,mixxorz/wagtail,kaedroho/wagtail,jnns/wagtail,timorieber/wagtail,FlipperPA/wagtail,timorieber/wagtail,FlipperPA/wagtail,gasman/wagtail,torchbox/wagtail,takeflight/wagtail,thenewguy/wagtail,thenewguy/wagtail,kaedroho/wagtail,jnns/wagtail,zerolab/wagtail,nimasmi/wagtail,FlipperPA/wagtail,rsalmaso/wagtail,thenewguy/wagtail,mixxorz/wagtail,wagtail/wagtail,takeflight/wagtail,gasman/wagtail,wagtail/wagtail,mixxorz/wagtail