[local] fix some leftover bugs from the remodel

lib/fog/local/models/storage/directories.rb

@@ -1,5 +1,5 @@
 require 'fog/collection'
-require 'fog/local/models/directory'
+require 'fog/local/models/storage/directory'
 
 module Fog
   module Local
@@ -7,7 +7,7 @@ module Fog
 
       class Directories < Fog::Collection
 
-        model Fog::Local::Directory
+        model Fog::Local::Storage::Directory
 
         def all
           data = Dir.entries(connection.local_root).select do |entry|

lib/fog/local/models/storage/directory.rb

@@ -25,7 +25,7 @@ module Fog
 
         def files
           @files ||= begin
-            Fog::Local::Files.new(
+            Fog::Local::Storage::Files.new(
               :directory    => self,
               :connection   => connection
             )

lib/fog/local/models/storage/file.rb

@@ -6,7 +6,7 @@ module Fog
 
       class File < Fog::Model
 
-        identity  :key,             'Key'
+        identity  :key,             :aliases => 'Key'
 
         attr_accessor :body
         attribute :content_length,  :aliases => 'Content-Length'

lib/fog/local/models/storage/files.rb

@@ -9,7 +9,7 @@ module Fog
 
         attribute :directory
 
-        model Fog::Local::File
+        model Fog::Local::Storage::File
 
         def all
           requires :directory