Made the library announce the location of its documentation

Author: Ogeon

src/http/lib.rs

@@ -5,6 +5,8 @@
 #[crate_type = "dylib"];
 #[crate_type = "rlib"];
 
+#[doc(html_root_url = "http://www.rust-ci.org/chris-morgan/rust-http/doc/")];
+
 #[deny(non_camel_case_types)];
 //#[deny(missing_doc)];