Lintian cleanups

Change-Id: I3ead15fb6bf59c88d04e30d56d05713060aa3e4d

debian/control

diff --git a/debian/control b/debian/control
index bbe58ca..d99628b 100644
--- a/debian/control
+++ b/debian/control
@@ -1,14 +1,15 @@
 Source: mendel-distro-info-data
 Maintainer: Coral <coral-support@google.com>
-Build-Depends: debhelper
+Build-Depends: debhelper (>=10)
 Section: devel
 Priority: optional
+Standards-Version: 3.9.8
 
 Package: mendel-distro-info-data
 Section: devel
 Priority: optional
 Architecture: all
-Depends: distro-info-data
+Depends: distro-info-data, ${misc:Depends}
 Description: info about Mendel's releases (data files)
  This file contains information about all releases of Mendel.
  .

debian/copyright

diff --git a/debian/copyright b/debian/copyright
index 3e9f65d..98c7b73 100644
--- a/debian/copyright
+++ b/debian/copyright
@@ -1,6 +1,6 @@
 Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
 Upstream-Name: mendel-distro-info-data
-Source: https://aiyprojects.withgoogle.com
+Source: https://coral.withgoogle.com
 
 Files: *
 Copyright: Copyright 2018 Google, LLC <coral-support@google.com>