Enhance Word test scenarios and fix bug in word.rb
Use the new way for defining specifics in the Noun model
Show pages navigation only if logged in
Implement edit action and add possibility for cancel action when in new or edit form
Implement word_controller update action
Implement word controller show action
Move similar query in words controller into a private method
Add words show view
Merge branch 'master' of https://github.com/dobrinov/das_woerterbuch
Insert normalized.css into vendor/assets and include it into the assets pipeline