creating directories for uploading images after creating a new one
active might be null
Artist admin files for Sonata
Artist controller for tests
Showing  artist's information
Controller for artists
main_picture removed
Ignoring dinamic url
@Route unnecessary
Tests files
Category and dinamic xml routing
action for showing the categories
Models for managing with Sonata
Services for managing entities through Sonata
Including routes generated by Category entity
error at to list artists corrected
unnecessary code removed
child deleted, thus must be at the beginning
useful_art field deleted, UsefulCategory created
mappedBy error solved