Update CodeIgniter documentation (3.1.8)

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -177,7 +177,7 @@ credits = [
     'https://raw.githubusercontent.com/Codeception/CodeceptJS/master/LICENSE'
   ], [
     'CodeIgniter',
-    '2014-2017 British Columbia Institute of Technology',
+    '2014-2018 British Columbia Institute of Technology',
     'MIT',
     'https://raw.githubusercontent.com/bcit-ci/CodeIgniter/develop/license.txt'
   ], [

lib/docs/scrapers/codeigniter.rb

@@ -31,12 +31,12 @@ module Docs
     ]
 
     options[:attribution] = <<-HTML
-      &copy; 2014&ndash;2017 British Columbia Institute of Technology<br>
+      &copy; 2014&ndash;2018 British Columbia Institute of Technology<br>
       Licensed under the MIT License.
     HTML
 
     version '3' do
-      self.release = '3.1.5'
+      self.release = '3.1.8'
     end
   end
 end