check for permission when editing anime
remove anime's acl on delete
refix outer_body bug
new doctrine slug style
use doctrine extensions for versioning

Previously I used SimpleThingsEntityAuditBundle, but I have recognized that there is a similiar function in StofDoctrineExtensionsBundle, too.
disable like button on demand
check for anime VIEW attribute

We use traits here, so I have to require php >=5.4.0.