Fix some issues reported by lintian

Fix some issues reported by lintian

• Use secure copyright file specification URI. (insecure-copyright-format-uri)
• Use secure URI in Homepage field. (homepage-field-uses-insecure-uri)
• Bump debhelper from old 11 to 12. (package-uses-old-debhelper-compat-version)
• Set debhelper-compat version in Build-Depends. (uses-debhelper-compat-file)
• Update standards version to 4.4.1, no changes needed. (out-of-date-standards-version)

This merge proposal was created automatically by the Janitor bot.

You can follow up to this merge proposal as you normally would.

Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/abs-guide/3d8a04bd-258e-4875-b334-e015c8f5c83b.

Debdiff

These changes affect the binary packages:

[The following lists of changes regard files as different if they have different names, permissions or owners.]

Files in second .changes but not in first

-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/basics-reviewed.bash
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/cdll
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/gronsfeld.bash
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/hanoi2.bash
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/hanoi2a.bash
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/is_spammer.bash
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/wgetter2.bash

Files in first .changes but not in second

-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/basics-reviewed.bash.gz
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/cdll.gz
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/gronsfeld.bash.gz
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/hanoi2.bash.gz
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/hanoi2a.bash.gz
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/is_spammer.bash.gz
-rw-r--r--  root/root   /usr/share/doc/abs-guide/examples/wgetter2.bash.gz

Control files: lines which differ (wdiff format)

• Homepage: [-http​://www.tldp.org/LDP/abs/html/-] {+https​://www.tldp.org/LDP/abs/html/+}

You can also view the diffoscope diff (unfiltered).