Fix EntrustRoleTrait
Fix EntrustRoleTrait

Fix save/delete/restore methods to return value as it designed in "Illuminate\Database\Eloquent\Model" and "Illuminate\Database\Eloquent\SoftDeletes"
This restore expected behavior of save/delete/restore methods in inherited classes
proshore/entrust-lumen,Zizaco/entrust,yaoshanliang/entrust,leon19910505/entrusts,proshore/entrust-lumen,moura137/entrust,leon19910505/entrusts,rhwilrForks/entrust,yaoshanliang/entrust,moura137/entrust,Zizaco/entrust