Updated the default size of the small image.
Updated the default size of the small image.

Images that are saved as a scaled version of themselves will now have a default size of 128 pixels. For images that are shrunk, this will be the maximum dimension; for images that are cropped, they will be 128 x 128 bit images.

References #356

hongsudt/server,hongsudt/server,HaiJiaoXinHeng/server-1,hongsudt/server,HaiJiaoXinHeng/server-1,HaiJiaoXinHeng/server-1