Major Description
In 1.8 the PDVisibleSignDesigner constructor took a JPEG stream and used that one directly to create a PDJpeg. In 2.0 the stream is read into a BufferedImage so the opportunity to create a JPEG directly is lost. But this doesn't matter, as a JPEG is not the best choice for images with sharp edges (a signature scan, or a text printed into an image). So I will
- replace the JPEGFactory with LosslessFactoory
- add constructor that takes a BufferedImage