DEVELOP: Cleanup
DEVELOP: Cleanup

kean/DFImageManager,vitkovsky/DFImageManager,zhaoguohui/DFImageManager,arvindhsukumar/DFImageManager,jsooriah/DFImageManager,JeeLiu/DFImageManager,zht415/DFImageManager,holgersindbaek/DFImageManager,DABSquared/DFImageManager,hzm0318hzm/DFImageManager,holgersindbaek/DFImageManager,Adlai-Holler/DFImageManager,ichu501/DFImageManager