Add note about CMS page hidden flag.
Record finder styling
Merge branch 'develop' of github.com:octobercms/october into develop
Merge branch 'develop'

Conflicts:
	modules/backend/assets/css/october.css
	modules/backend/assets/less/controls/forms.less
	modules/backend/formwidgets/RecordFinder.php
	modules/backend/formwidgets/recordfinder/partials/_recordfinder.htm