Added Icons source file.

Icons source file has been uploaded.
Player Head and Direction Icons

Player Head and Direction mini-map icons. Two file types for Player
Head with significantly different file sizes.
Updated Icons.ai with a fix to Golf Ball icon.
Updated Player Head icon in icons.ai file.

Removed transparent pointer icons.
Added white background to direction indicator.
Grass Texture, Ball Icon, Ball Direction Icon
All Icon image files

Chat Grawlix, Chat Typing, and Goal icons.
Updated Icons file.

Changed Chat Grawlix and Chat Typing to look smoother on transition
from bubble to arm.
Merge pull request #16 from AustinCarr/master

Icon files