Workaround regressions in Chrome and Safari (#12221 and #11111).
Restored aria-setsize and aria-posinset for color pickers.
Added missing aria markup for colorbutton entries.
Fixed minor bug with count of elements in color picking panel.
Changelog entry.
Merge branch 't/12097'
Code refactoring: Improved the condition.
Tests: Written ticket test.
Added additional check whether styles property exists in parent node.
Changelog entry.
Merge branch 't/12411'
Tests: tagged autop tests.
Added auto paragraphing for nested editable.
Fixed auto paragraphing in nested editable on enter key.
Fixed code style and added comment pointing to ticket.
Changed shouldAutoParagraph condition to check just contenteditable attribute.
Refactoring: Looking for closest editable uses getAscendant methodnow.
Tests: Added auto paragraphing tests for nested editable.
Extra check for DOM fragments in getAncestor method.