Very base refactor
Refactor:

- list of assignments, roles and permissions;
- create/update/delete assigments, roles and permissions;
- list of descendants
Generating permissions from contoller actions like `controller::action`.
Preparing for using as separate library
UI improvements and message translations:
- add view of parents
- children and parents rendering in separate views for more flexible using with themes
- ability to remove parent assign from child view
- roles can be assigned only for other roles
- ru and uk translations
Generates permission by `$controller->id . '.' . $action->id` mask
Remove unused classes and module properties
Readme
Functional improvements

- add `admins` property for assign super-admin privilegy (disable authorisation)
- add possibility to assign custom configuration for access modules action via `accessFilterBehavior` property
Remove unused message
Copyrights