Bug#759184: Add mg as alternative for emacs

If providing emacs dependency will break other packages, no need to modify Provides field on debian/control. Just add an update-alternatives for emacs symbolic link, not for satisfying dependencies for other packages. I just inspired by jove that able to provide emacs symbolic link alternative, wi

Bug#748825: dropbearconvert is not included within dropbear.

Package: dropbear Version: 2013.60-1 Tags: dropbearconvert, ssh-keys Dropbear has its own binary key format which is unreadable by text editor. To use dropbear-generated key with openssh, it is required to export the dropbear key to openssh key format. It also possible to convert openssh keys to