remove PIL, add Pillow in ec2 init script
remove PIL, add Pillow in ec2 init script

broxtronix/thunder,zhwa/thunder,kunallillaney/thunder,mikarubi/thunder,j-friedrich/thunder,thunder-project/thunder,poolio/thunder,pearsonlab/thunder,zhwa/thunder,oliverhuangchao/thunder,pearsonlab/thunder,j-friedrich/thunder,broxtronix/thunder,oliverhuangchao/thunder,kcompher/thunder,jwittenbach/thunder,mikarubi/thunder,poolio/thunder,kcompher/thunder,kunallillaney/thunder