[GAMEPLAY] Missile collision detection can fail.

1. Start up a game with Thresh and Blitzkrank on opposing teams.
2. Have Thresh stand within 500 units of Blitzkrank.
3. Have Blitzkrank facing Thresh directly.
4. Have Thresh cast Death Sentence (Hotkey: Q) directly at the center of Blitzkrank's model.
5. ---> Sometimes the missile projectile will not register as colliding with the unit.

This occurred during this match (early on in game time) if that helps with any server logging. http://matchhistory.na.leagueoflegends.com/en/#match-details/NA1/1865703943/32854?tab=overview