Make the new and create actions of the words_controller redirect if type is not present
Add word type categories and make creation possible
Add word_controller test case
Add the first integration test
Rewrite the signin integration test using capybara
Add new user registration flow test
Replace the word inheritors implementation with ruby method
Improve acceptance test scenarios and fix found bug in editing words
Fix ugly metaprogramming tests
Add empty message per word category
Add simplecov gem
Improve test coverage
4_landingpage_layout