fix post ordering

app/assets/stylesheets/hacker.sass

@@ -11,7 +11,7 @@ $blockquote-border: $dove-grey !default
 body
   margin: 0
   padding: 0
-  background: $body-background url("../images/bkg.png") 0 0
+  background: $body-background url("bkg.png") 0 0
   color: $body-foreground
   font-size: 16px
   line-height: 1.5
@@ -136,7 +136,7 @@ dt
 
 
 ul li
-  list-style-image: url('../images/bullet.png')
+  list-style-image: url('bullet.png')
 
 
 blockquote

app/models/post.rb

@@ -40,12 +40,16 @@ class Post
   end
   def self.posts
     return @@posts if @@posts
-    @@posts ={}
+    posts ={}
     Dir["#{self.blog_path}/_2*.haml"].reverse.each do |file|
       post = Post.new(file)
-      @@posts[post.slug] = post
+      posts[post.slug] = post
     end
-    @@posts
+    @@posts = posts.sort_by { |slug, post| post.sort_key }.reverse.to_h
+  end
+
+  def sort_key
+    year*10000 + month*1000 + day
   end
 
   def self.blog_path

app/views/blog/post.haml

@@ -13,4 +13,4 @@
   .center_col
     %h1= @post.title
   .center_col
-    = render( @post.template_name )
+    = render( "posts/#{@post.template_name}" )