26.01.2013 DoTA2 Update

[KAMIKADzE]

- Updated the icons for the new Warlock and Lone Druid sets.
- Fixed units not pathing around invisible enemies.
- Fixed stolen Berserker's Rage not restoring the original attack type on death.
- Fixed for LP mode not limiting 40 heroes.
- Fixed Battle Trance affecting units like Spirit Bear.