Renamed response function to makeResponse so that it doesn't conflict with the builtin method
Added XHR2's response and responseType
Better support XHR2 response

Conflicts:
	spec/javascripts/mock-ajax-toplevel-spec.js
Fix broken PhantomJS tests
Merge branch 'master' of https://github.com/albertyw/jasmine-ajax into albertyw-master

Conflicts:
	lib/mock-ajax.js
	spec/javascripts/fake-xml-http-request-spec.js
	spec/mock-ajax-toplevel-spec.js
Set response attribute for document responses
Merge branch 'albertyw-master'