Removed raising the thread priority on build thread to avoid locking up other apps. My bad. :)
Removed raising the thread priority on build thread to avoid locking up other apps. My bad. :)

git-svn-id: 3d7b831feec52606c26f0b051b2f15a4ff7fafff@28101 0e2699bc-83d4-4a8f-98e7-55e24ab8c7a5

danzel/SpriteSheetPacker