Smp (#23)

* Fire up multiple processors

* Use IPIs to wake up secondary processors

* Much better exception information

* Modifications to show more information on fault

* WIP: Use real libstd

* Add TLS (not complete)

* Add random function, export getpid, cleanup

* Do not spin APs until new context

* Update rust

* Update rust

* Use rd/wrfsbase

* Implement TLS

* Implement compiler builtins and update rust

* Update rust

* Back to Redox libstd

* Update rust

libstd_real/alloc_system/src/lib.rs

@@ -0,0 +1,6 @@
+#![allocator]
+#![feature(allocator)]
+#![no_std]
+
+#[allocator]
+extern crate ralloc;