d/copyright: put first the more general statement

In order for the file to be correctly parsed, the more general
copyright statement should be first.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
d/changelog: generate changelog for 1.6-2

Let's generate changelog for Debian package 1.6-2.

Git-Dch: Ignore
Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>