Use correct template for posts

_config.yml

@@ -8,29 +8,42 @@ collections:
   uploads:
     title: Uploads
     output: true
+
 url: http://danbarber.me
 author: Dan Barber
 markdown: Kramdown
 description: Web designer and developer for thoughtbot in London. Drummer and all
   round musician.
+
 subscribe_rss: "/atom.xml"
+
 gems:
   - jekyll-paginate
   - jekyll-archives
   - jekyll-assets
   - jekyll_video_tag
   - bourbon
+
 simple_search: https://duckduckgo.com/
+
 exclude:
   - Gemfile
   - Gemfile.lock
   - README.md
+
 permalink: "/:title"
 excerpt_separator: "<!-- more -->"
 paginate: 10
 paginate_path: blog/page/:num
 recent_posts: 5
 excerpt_link: Read on &rarr;
+
+post_layout: post
+page_layout: page
+
+post_template: post.markdown
+page_template: page.markdown
+
 jekyll-archives:
   enabled:
     - categories
@@ -55,15 +68,14 @@ assets:
     - _assets/fonts
   features:
     liquid: true
+
 picture:
   source: _pictures
   output: assets
   markup: picture
   presets:
     full-width:
-      ppi:
+      ppi: [1, 2]
-      - 1
-      - 2
       attr:
         itemprop: image
       source_large:
@@ -74,10 +86,9 @@ picture:
         width: '640'
       source_default:
         width: '400'
+
     photo-square:
-      ppi:
+      ppi: [1, 2]
-      - 1
-      - 2
       attr:
         class: photo-square
         itemprop: image
@@ -89,10 +100,9 @@ picture:
         width: '640'
       source_default:
         width: '400'
+
     photo-wide:
-      ppi:
+      ppi: [1, 2]
-      - 1
-      - 2
       attr:
         class: photo-square
         itemprop: image
@@ -104,5 +114,6 @@ picture:
         width: '780'
       source_default:
         width: '490'
+
 kramdown:
   input: GFM

_templates/post.markdown

@@ -1,5 +1,6 @@
 ---
 title: "{}"
 layout: {}
+categories:
 ---