Fix some issues reported by lintian

Fix some issues reported by lintian

• Set debhelper-compat version in Build-Depends. (uses-debhelper-compat-file)
• Set upstream metadata fields: Bug-Database, Bug-Submit, Repository-Browse. (upstream-metadata-file-is-missing, upstream-metadata-missing-bug-tracking)
• Avoid explicitly specifying -Wl,--as-needed linker flag. (debian-rules-uses-as-needed-linker-flag)
• Update standards version to 4.6.2, no changes needed. (out-of-date-standards-version)

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 set of .debs but not in first

-rw-r--r--  root/root   /usr/lib/debug/.build-id/f4/de351ab47cb46f1815cf01dcf257f2f8b8bf0a.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/3b/7716a2a5d176c72009712e28e57755fb41928b.debug

No differences were encountered between the control files of package **libglobus-authz-dev**

No differences were encountered between the control files of package **libglobus-authz-doc**

No differences were encountered between the control files of package **libglobus-authz0**

Control files of package libglobus-authz0-dbgsym: lines which differ (wdiff format)

• Build-Ids: 3b7716a2a5d176c72009712e28e57755fb41928b f4de351ab47cb46f1815cf01dcf257f2f8b8bf0a

You can also view the diffoscope diff (unfiltered).

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Build and test logs for this branch can be found at https://janitor.debian.net/run/674b0365-cb69-4c84-a959-1df69be5d083.