Link bump_allocator and alloc and collections crates

Cargo.toml

@@ -9,6 +9,7 @@ crate-type = ["staticlib"]
 [dependencies]
 rlibc = "0.1.4"
 spin = "0.3.4"
+bump_allocator = {path="libs/bump_allocator"}
 
 [dependencies.x86]
 version = "0.6.0"

src/lib.rs

@@ -9,6 +9,7 @@
 
 #![feature(lang_items)]
 #![feature(const_fn, unique)]
+#![feature(alloc, collections)]
 #![no_std]
 
 extern crate rlibc;
@@ -18,6 +19,11 @@ extern crate multiboot2;
 extern crate bitflags;
 extern crate x86;
 
+extern crate bump_allocator;
+extern crate alloc;
+#[macro_use]
+extern crate collections;
+
 #[macro_use]
 mod vga_buffer;
 mod memory;