Fix PHPCS errors.

Signed-off-by: Hugues Peccatte <hugues.peccatte@gmail.com>
Fix docs

Signed-off-by: Madhura Jayaratne <madhura.cj@gmail.com>
Translated using Weblate (Romanian)

Currently translated at 57.2% (1571 of 2744)
Merge remote-tracking branch 'origin/master'
Merge commit 'c8ac434'
Merge commit '73c6d64'
Update po files
Merge commit '10ee896'
Merge branch 'QA_4_1'
Translated using Weblate (Turkish)

Currently translated at 100.0% (2752 of 2752)
Translated using Weblate (Czech)

Currently translated at 100.0% (2748 of 2748)
Translated using Weblate (French)

Currently translated at 100.0% (2752 of 2752)
Translated using Weblate (Greek)

Currently translated at 100.0% (2750 of 2750)
Translated using Weblate (Spanish)

Currently translated at 100.0% (2752 of 2752)
Translated using Weblate (Czech)

Currently translated at 100.0% (2752 of 2752)
Translated using Weblate (Dutch)

Currently translated at 100.0% (2752 of 2752)
Translated using Weblate (Slovenian)

Currently translated at 100.0% (2752 of 2752)
Merge commit '8a2f65a'
Merge commit 'acc31e3'
Merge branch 'QA_4_1'