Fix EZP-23572: create user and assign role for "I am logged as :role"
Improve Object Management documentation
Doc: add "Writing Tests", cleanup README
Add information about behat `definitions` command.
Add doc comments for Browser traits
Add doc comments for object trait ContentTypeGroup
Add doc comments for object trait UserGroup
Merge pull request #17 from cleverti/logged_in_as_role

Fix EZP-23572: create user and assign role for "I am logged as :role"
Merge pull request #18 from cleverti/DocImprovements

Improve documentation
Implement "Content" object management/step sentences
Refactor object Features/Contexts structure, update behat.yml