* Aggressive pets now use aggro radius check based on level diff of target
* Aggro radius limited to max 45 yards (per wowwiki)
* Pets no longer "dance" when fighting a creature
* Pets returning will defend themselves (if not passive) if owner didn't click "follow"
* Pets at stay will properly pick up their owner's attackers that pass within range
* Fix "no empty line at end of file" warning in PetAI
* Fix typo in GetAggroRange()
* Fix spell "Eyes of the Beast" - player can move pet freely
* Code style cleanup
* Update commit comment
Closes#8398, #7455