Update crate URLs to point to interesting things.

src/cargo/cargo.rc

@@ -13,7 +13,7 @@
 #[link(name = "cargo",
        vers = "0.2",
        uuid = "9ff87a04-8fed-4295-9ff8-f99bb802650b",
-       url = "http://rust-lang.org/doc/cargo")];
+       url = "https://github.com/mozilla/rust/tree/master/src/cargo")];
 
 #[crate_type = "bin"];
 

src/libcore/core.rc

 #[link(name = "core",
        vers = "0.2",
        uuid = "c70c24a7-5551-4f73-8e37-380b11d80be8",
-       url = "http://rust-lang.org/src/core")];
+       url = "https://github.com/mozilla/rust/tree/master/src/libcore")];
 
 #[comment = "The Rust core library"];
 #[license = "MIT"];

src/libstd/std.rc

 #[link(name = "std",
        vers = "0.2",
        uuid = "122bed0b-c19b-4b82-b0b7-7ae8aead7297",
-       url = "http://rust-lang.org/src/std")];
+       url = "https://github.com/mozilla/rust/tree/master/src/libstd")];
 
 #[comment = "The Rust standard library"];
 #[license = "MIT"];

src/rustc/rustc.rc

@@ -3,7 +3,7 @@
 #[link(name = "rustc",
        vers = "0.2",
        uuid = "0ce89b41-2f92-459e-bbc1-8f5fe32f16cf",
-       url = "http://rust-lang.org/src/rustc")];
+       url = "https://github.com/mozilla/rust/tree/master/src/rustc")];
 
 #[comment = "The Rust compiler"];
 #[license = "MIT"];
@@ -11,7 +11,7 @@
 
 use std (name = "std",
          vers = "0.2",
-         url = "http://rust-lang.org/src/std");
+         url = "https://github.com/mozilla/rust/tree/master/src/libstd");
 
 mod middle {
     mod trans {

src/rustdoc/rustdoc.rc

@@ -3,7 +3,7 @@
 #[link(name = "rustdoc",
        vers = "0.2",
        uuid = "f8abd014-b281-484d-a0c3-26e3de8e2412",
-       url = "http://rust-lang.org/doc/rustdoc")];
+       url = "https://github.com/mozilla/rust/tree/master/src/rustdoc")];
 
 #[comment = "The Rust documentation generator"];
 #[license = "MIT"];