Refactor code to use interfaces (For category essentially)
Merge branch 'master' into refactoring_interfaces
PIM-2093: Add CategoryInterface in php documentation
Update php documentation replacing number by integer
Rename phpunit.dist.xml to phpunit.xml.dist
Merge branch 'master' into refactoring_interfaces
Merge pull request #695 from akeneo/refactoring_interfaces

Refactor code to use interfaces (For category essentially)
Fix phpcs
Add information on PHP 5.5 and APCu
PIM-1999: Add users entity as loaded fixtures
PIM-1999: Temporary commit to remove user creation from installer
PIM-1999: First implementation and data set for user data fixtures
PIM-1999: Remove user creation in install command
PIM-1999: Create more users
PIM-1999: Create users fixtures for all installer_data
PIM-1999: Add php documentation for LoadUserData class
PIM-1999: Remove useless class to load user data
PIM-1999: Clean code in user fixtures loader
PIM-1999: Update user data sets
Add new methods in CategoryManager