Fix some issues reported by lintian

Fix some issues reported by lintian

• Bump debhelper from old 12 to 13. (package-uses-old-debhelper-compat-version)
• 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)
• Update standards version to 4.6.2, no changes needed. (out-of-date-standards-version)
• Set upstream metadata fields: Repository. (upstream-metadata-missing-repository)

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/8d/b466428178a22728fdc50556dab216a47d8b16.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/d6/f4496b98f0bd58f21218b90b4fa10a527203ca.debug

No differences were encountered between the control files of package **libglibd-2.0-0**

Control files of package libglibd-2.0-0-dbgsym: lines which differ (wdiff format)

• Build-Ids: d6f4496b98f0bd58f21218b90b4fa10a527203ca 8db466428178a22728fdc50556dab216a47d8b16

No differences were encountered between the control files of package **libglibd-2.0-dev**

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Build and test logs for this branch can be found at https://janitor.debian.net/run/3c8d6a8c-d6ef-4103-bf57-cf17bb7eeb94.