update upgrade description
# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
# On branch master
# Changes to be committed:
#   (use "git reset HEAD <file>..." to unstage)
#
#	modified:   debian/control
#	modified:   debian/files
#
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#	.deps/
#	.lib-ssh-status-menu-widget.c.swp
#	.libs/
#	.ssh-status.sh.swo
#	COPYING
#	Makefile
#	Makefile.in
#	aclocal.m4
#	build-stamp
#	config.guess
#	config.h
#	config.h.in
#	config.log
#	config.status
#	config.sub
#	configure
#	data/Makefile
#	data/Makefile.in
#	debian/.control.swp
#	debian/ssh-status/
#	depcomp
#	install-sh
#	lib-ssh-status-menu-widget.la
#	lib-ssh-status-menu-widget.lo
#	lib-ssh-status-menu-widget.o
#	libtool
#	ltmain.sh
#	missing
#	out
#	ssh-status.base64
#	ssh-status.desktop
#	stamp-h1
