Fix some issues reported by lintian

Fix some issues reported by lintian

• Trim trailing whitespace. (trailing-whitespace)
• debian/control: Add Vcs-Browser field (missing-vcs-browser-field)
• Set debhelper-compat version in Build-Depends. (uses-debhelper-compat-file)
• Set upstream metadata fields: Bug-Database, Bug-Submit, Repository, Repository-Browse. (upstream-metadata-file-is-missing, upstream-metadata-missing-bug-tracking, upstream-metadata-missing-repository)
• Drop unnecessary dependency on dh-autoreconf.
• Use canonical URL in Vcs-Git. (vcs-field-not-canonical)
• Update standards version to 4.6.1, no changes needed. (out-of-date-standards-version)
• 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 (out-of-date-standards-version)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/19/85924810afa49b2f0afc083b4316d10ec44987.debug
-rwxr-xr-x  root/root   DEBIAN/preinst

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/f9/23a9b1d497122264f5a41bc79c6e0d4ebcd1bd.debug

No differences were encountered between the control files of package **rasdaemon**

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

• Build-Ids: f923a9b1d497122264f5a41bc79c6e0d4ebcd1bd 1985924810afa49b2f0afc083b4316d10ec44987

You can also view the diffoscope diff (unfiltered).

This merge proposal was created by the Janitor bot, and it will automatically rebase or close this proposal as appropriate when the target branch changes. Any comments you leave here will be read by the Janitor's maintainers.

Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/rasdaemon/62291de5-9191-4566-89f7-9cb5949dd224.