[SW007] - Core/Pet - Implemented haste for Priest Shadowfiend.

Bloodlust/heroism and the player's haste should affect it.
Revert "[SW02] AttackStop on pacified units"

This reverts commit 57c5505e36669e1c5d7a39bc3e628fdb22f51f79.
[SW008] Requires Testing: UNIT_FLAG_PACIFIED

Assuming i read the bug report correctly, this should affect only
players…?
[SW009] Gunship update