GDT and IDT in kernel space

Paging constructs completed, remap kernel before jumping to kmain
Panic will do a stack trace
Remove SSE from none target

kernel/lib.rs

@@ -67,7 +67,6 @@
 #![feature(alloc)]
 #![feature(collections)]
 #![feature(const_fn)]
-#![feature(lang_items)]
 #![feature(question_mark)]
 #![no_std]
 
@@ -97,9 +96,6 @@ extern crate collections;
 /// Context management
 pub mod context;
 
-/// Intrinsics for panic handling
-pub mod panic;
-
 /// Schemes, filesystem handlers
 pub mod scheme;