Implement 'chapters#show_4_0' action
Move book and origin _fragments into appropriate '4_0' folders ('preface' and 'beginning' for now)
Add missing images (1 Chapter, Rails 4.0)
Minor syles improvement
Get show_origin script to work with '4_0' folders
Minor fixes in the contents (1 Chapter, Rails 4.0)
Add missing images (2 Chapter, Rails 4.0)
Move 2 Chapter _fragments into appropriate '4_0' folders
Add translation for the 2 Chapter contents (Rails 4.0)
Fix typos in the _preamble fragment
Move 3 Chapter _fragments into appropriate '4_0' folders
Add missing images (3 Chapter, Rails 4.0)
Add translation for the 3 Chapter contents (Rails 4.0)
Fix typos
Add missing fragment to origin of 3 Chapter
Totally refactor show_origin script
Move 4 Chapter _fragments into appropriate '4_0' folders
Yep, playing with cursor shape
Add translation for the4 Chapter contents (Rails 4.0)
Add missing images (5 Chapter, Rails 4.0)