Use correct file for sinatra server.

- Turns out it was supposed to be the loader file, not server
- Bump version for aws to 0.1.8
- This is RC1 for the UNITED CTF. Will launch with this version
  if no issues are found.

chef/cookbooks/metasploitable/recipes/sinatra.rb

@@ -25,12 +25,12 @@ cookbook_file '/opt/sinatra/Gemfile' do
 end
 
 cookbook_file '/opt/sinatra/server' do
-  source 'sinatra/loader'
+  source "sinatra/#{server_path}/loader"
   mode '0777'
 end
 
 cookbook_file '/opt/sinatra/.server' do
-  source "sinatra/#{server_path}/server"
+  source 'sinatra/server'
   mode '0777'
 end
 

packer/templates/aws/ubuntu_1404_ctf_2017.json

@@ -51,6 +51,6 @@
     "iso_url": "http://old-releases.ubuntu.com/releases/14.04.1/ubuntu-14.04.1-server-amd64.iso",
     "iso_checksum_type": "md5",
     "iso_checksum": "ca2531b8cd79ea5b778ede3a524779b9",
-    "box_version": "0.1.7"
+    "box_version": "0.1.8"
   }
 }