fix($httpBackend): use ActiveX XHR when making PATCH requests on IE8
IE8's native XHR doesn't support PATCH requests, but the ActiveX one does. I'm also removing the noxhr error doc because nobody will ever get that error. Closes #2518 Closes #5043
I
Igor Minar committed
6c17d02bc4cc02f478775d62e1f9f77da9da82ad
Parent: 6a6f71f