post: Rendering custom error pages with Rails
Improves readability of constant names
Fixes 'mechanism' typo
Rename 2014-07-04-rendering-custom-error-pages-with-rails.markdown to 2014-07-07-rendering-custom-error-pages-with-rails.markdown
Rename 2014-07-07-rendering-custom-error-pages-with-rails.markdown to 2014-07-09-rendering-custom-error-pages-with-rails.markdown
Merge pull request #225 from Helabs/post/rendering-custom-error-pages-with-rails

post: Rendering custom error pages with Rails