BuildSystem: Rewrite whole build system structure

Now you have to use script/build.sh for building and running banan-os

script/qemu.sh

@@ -0,0 +1,24 @@
+#!/bin/bash
+set -e
+
+if [[ -z $BANAN_DISK_IMAGE_PATH ]]; then
+	echo "You must set the BANAN_DISK_IMAGE_PATH environment variable" >&2
+	exit 1
+fi
+
+if [[ -z $OVMF_PATH ]]; then
+	OVMF_PATH="/usr/share/ovmf/x64/OVMF.fd"
+fi
+
+if [[ "$BANAN_UEFI_BOOT" == "1" ]]; then
+	BIOS_ARGS="-bios $OVMF_PATH -net none"
+fi
+
+qemu-system-$BANAN_ARCH												\
+	-m 128															\
+	-smp 2															\
+	$BIOS_ARGS														\
+	-drive format=raw,id=disk,file=${BANAN_DISK_IMAGE_PATH},if=none	\
+	-device ahci,id=ahci											\
+	-device ide-hd,drive=disk,bus=ahci.0							\
+	$@																\