fix(profile): Making banned users more obvious when using custom profile fields.
feature(ckeditor): add "clear formatting" button

Adds a button that can be used to reset styles e.g. after copy-pasting content from somewhere else.

Fixes #7105
Merge pull request #7129 from juho-jaakkola/ckeditor_remove_formatting

feature(ckeditor): add "clear formatting" button
chore(docs): unifies documentation on how entity relationships should be read

The correct way to read them is "$guid_one is a $relationship of $guid_two".

Fixes #4407
Merge pull request #7138 from juho-jaakkola/relationship_direction

chore(docs): unifies documentation on how entity relationships should be read
chore(i18n): update translations
chore(release): v1.9.0-rc.6
Merge pull request #7146 from juho-jaakkola/release-1.9.0-rc.6

Release 1.9.0 rc.6
chore(docs): updates URLs in release process workflow
Merge pull request #7147 from juho-jaakkola/release_docs

chore(docs): updates URLs used in release process workflow
fix(discussion): Fixes inline edit of replies temporarily changing applied styles to the text

That fixes bullet points disappearing after inline edit.

Fixes #6879
Merge pull request #7149 from Srokap/ticket_6879

fix(discussion): Fixes inline edit of replies temporarily changing appli...
fix(output): elgg_normalize_url no longer mistakes querystrings for domains

The pattern for recognizing domain names in elgg_normalize_url was too
tolerant, resulting in some paths begin seen as domains just because
the querystring contained a period.
Merge pull request #7151 from mrclay/6587

fix(output): elgg_normalize_url no longer mistakes querystrings for domains
chore(css): improves styling of banned message on user profile
fix(notification): avoids fatal error if notification event lacks object

Fixes #7157
Merge pull request #7152 from mrclay/brettp-show_banned_users

fix(profile) Making banned users more obvious when using custom profile fields
Merge pull request #7158 from mrclay/7157

fix(notification): avoids fatal error if notification event lacks object
fix(css): removes padding and margin from elgg-menu-entity items
chore(i18n): update translations