debian: update references to VCS

The old Vcs-Git reference was invalid.
The Vcs-Browser field was missing.

Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com>
Revert "Bump standars versions to 3.9.5"

This reverts commit dd32b6b0a24447d688f33201b85b86fb1fc4994c.

I read a bad documentation :(

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