Shuffling filesystem to xboxkrnl.

This doesn't really change anything yet, just moves things.
Also fixed some bad over-including.

src/xenia/kernel/fs/entry.cc

@@ -1,77 +0,0 @@
-/**
- ******************************************************************************
- * Xenia : Xbox 360 Emulator Research Project                                 *
- ******************************************************************************
- * Copyright 2013 Ben Vanik. All rights reserved.                             *
- * Released under the BSD license - see LICENSE in the root for more details. *
- ******************************************************************************
- */
-
-#include <xenia/kernel/fs/entry.h>
-
-
-using namespace xe;
-using namespace xe::kernel;
-using namespace xe::kernel::fs;
-
-
-Entry::Entry(Type type, Device* device, const char* path) :
-    type_(type),
-    device_(device) {
-  path_ = xestrdupa(path);
-  // TODO(benvanik): last index of \, unless \ at end, then before that
-  name_ = NULL;
-}
-
-Entry::~Entry() {
-  xe_free(path_);
-  xe_free(name_);
-}
-
-Entry::Type Entry::type() {
-  return type_;
-}
-
-Device* Entry::device() {
-  return device_;
-}
-
-const char* Entry::path() {
-  return path_;
-}
-
-const char* Entry::name() {
-  return name_;
-}
-
-
-MemoryMapping::MemoryMapping(uint8_t* address, size_t length) :
-    address_(address), length_(length) {
-}
-
-MemoryMapping::~MemoryMapping() {
-}
-
-uint8_t* MemoryMapping::address() {
-  return address_;
-}
-
-size_t MemoryMapping::length() {
-  return length_;
-}
-
-
-FileEntry::FileEntry(Device* device, const char* path) :
-    Entry(kTypeFile, device, path) {
-}
-
-FileEntry::~FileEntry() {
-}
-
-
-DirectoryEntry::DirectoryEntry(Device* device, const char* path) :
-    Entry(kTypeDirectory, device, path) {
-}
-
-DirectoryEntry::~DirectoryEntry() {
-}