replace inlined legacy jekyll-postfiles plugin with modern gem-based jekyll-postfiles plugin

Author: 0xdevalias

Gemfile

@@ -20,6 +20,7 @@ group :jekyll_plugins do
   gem 'jekyll-commonmark'
   gem 'jekyll-compose'
   gem 'jekyll-paginate'
+  gem 'jekyll-postfiles'
   gem 'jekyll-redirect-from'
   gem 'jekyll-sitemap'
   gem 'jekyll-seo-tag'

Gemfile.lock

@@ -52,6 +52,8 @@ GEM
       jekyll (>= 3.4, < 5.0)
       octokit (~> 4.0, != 4.4.0)
     jekyll-paginate (1.1.0)
+    jekyll-postfiles (3.1.0)
+      jekyll (>= 3.8.6, < 5)
     jekyll-redirect-from (0.16.0)
       jekyll (>= 3.3, < 5.0)
     jekyll-sass-converter (2.1.0)
@@ -117,6 +119,7 @@ DEPENDENCIES
   jekyll-gist
   jekyll-github-metadata
   jekyll-paginate
+  jekyll-postfiles
   jekyll-redirect-from
   jekyll-seo-tag
   jekyll-sitemap

_plugins/postfiles.rb

@@ -15,7 +15,7 @@ disqus: true
 webmention: true
 crosspost_to_medium: false
 ---
-![who dares enter my domain]({% postfile cat.jpg %})
+![who dares enter my domain](cat.jpg)
 
 Just a short one today to point out that I finally got around to configuring the domain (read: defeated the dns dragon) to work properly with tumblr!
 

_postfiles/.gitkeep

@@ -20,6 +20,6 @@ I suppose it was inevitable given the lack of support over the past months, but
 
 [rockmelt](http://blog.rockmelt.com/post/55124002701/rockmelt-browser-retirement-july-31-2013):
 
-> ![Rockmelt Browser Retiring]({% postfile rockmelt-retiring.jpg %})
+> ![Rockmelt Browser Retiring](rockmelt-retiring.jpg)
 >
 > We promised to notify you when we retire the Rockmelt Browser. The date has been set for July 31st at 10am PT. After that point in time, you will no longer be able to log into the Rockmelt Browser. Please take a moment to migrate your App Edge into the new Rockmelt experience by clicking [here](http://rockmelt.com/?import=true)

_posts/2011-12-30-who-dares-enter-my-domain.md renamed to _posts/2011-12-30-who-dares-enter-my-domain/2011-12-30-who-dares-enter-my-domain.md

@@ -24,7 +24,7 @@ disqus: true
 webmention: true
 crosspost_to_medium: false
 ---
-![Kali Linux Y U No Update]({% postfile yunoupdatekali.jpg %})
+![Kali Linux Y U No Update](yunoupdatekali.jpg)
 
 Not too long ago I was setting up a new pentest machine with Kali. Fairly straightforward a task, though slightly inconvenienced by the fact that the net was down at the time. No matter I thought, continue offline and all should be fine.. apparently not.