Merge branch 'master' of github.com:redox-os/kernel

arch/mod.rs

arch/x86_64/gdt.rs

arch/x86_64/idt.rs

arch/x86_64/io/io.rs

arch/x86_64/io/mmio.rs

arch/x86_64/io/mod.rs

arch/x86_64/io/pio.rs

arch/x86_64/irq.rs

arch/x86_64/main.rs

arch/x86_64/mem.rs

arch/x86_64/mod.rs

arch/x86_64/physical.rs

arch/x86_64/serial.rs

arch/x86_64/tss.rs

lib.rs

panic.rs