head.tmpl: Add a default viewport definition

Signed-off-by: Niels Thykier <niels@thykier.net>
r/t/maintainer: Fix some invalid formatting in some cases

Avoid adding a "close-list" HTML code if the list was never opened in
the first place.  Happens when some binaries have tags that are not
shown (i.e. tags where code < "W").

Signed-off-by: Niels Thykier <niels@thykier.net>
r/t/maintainer: Avoid making <ul> for "extra" without entries

Happens for tags without "extra" data.

Signed-off-by: Niels Thykier <niels@thykier.net>
r/t/lintian.css.tmpl: Optimise out banner icon for smaller devices

Signed-off-by: Niels Thykier <niels@thykier.net>
r/html_reports: Avoid using "+" or ":" in ids

At least "+" got rejected by w3c's validator.  Yours truly was too
lazy to double check whether ":" was allowed, so it got axed under the
"rather safe than sorry".

Signed-off-by: Niels Thykier <niels@thykier.net>
r/harness: Remove reference to obsolete config variable

Signed-off-by: Niels Thykier <niels@thykier.net>
r/html_reports: Apply perltidy

Signed-off-by: Niels Thykier <niels@thykier.net>