Little updates and questions answered of Deepin Boot Maker

Little updates and questions answered of Deepin Boot Maker

Today, Deepin Boot Maker updates a little and the main changes are: * Part of boot disks failed to make under repairing Mac platform * Failed to guide boot after made boot disk in Linux and Mac platforms * Some UI details changed, such as support for drag and drop actions to add ISO mirrors. The software is an open source software, Github address: https://github.com/linuxdeepin/deepin-boot-maker