DEVELOP: Update podspec
DEVELOP: Update podspec

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