Client
 - new sprites for Banner of the Rat; Banner of the Frog; Chopping Block;
 - sprite for Mangonel  - fix to targetting abilites that use spell presence for range
 - fix for damage or condition proc text "sticking" in some cases
 - movement targetting now knows about flying avoiding engaged
 - AI knows about flying targetting restrictions
 - added missing icons for tomes of Wind and Healing

Server
 - fix for ice terrain not causing frozen when first generated
 - fix for Cone of Ice not causing Chilled. Now also removes all Fire conditions.
 - fix for flying preventing ranged attacks as well as melee from non-flying champions