Update as of Dec 3, 2018

The #126 has been redesigned to address the issues listed in the below redesign checklist.

Preview new toolbar in feature branch

The redesigned toolbar in feature branch issue541-toolbar-redesign is ready for review and will be merged to master after issues from this review are resolved.

Toolbar Redesign Checklist

• Issue Toolbar Example: aria-selected should not be used. #540: Toolbar Example: aria-selected should not be used
• Issue Toolbar Example: Use button elements and add other types of elements, such as link and checkbox #541: Toolbar Example: Use button elements and add other types of elements, such as link and checkbox
• Issue Toolbar Example: Bugs with keyboard support, aria-disabled, and aria-label #847: Bugs with keyboard support, aria-disabled, and aria-label
• It's hard to tell the difference between checked and not-checked toggles and radios (Noted by Toolbar example for simple text editor #887).
• Add a title/tooltip to the Bold, Italics, Underline, Align left/center/right, Font type, and size increment/decrement tools (for consistency with Cut/Copy/Paste, and in case any sighted folks need help understanding the icons) (Noted by Toolbar example for simple text editor #887).
• Implement menuitemradio elements as radio elements per issue Need to allow for radiogroup inside toolbar #949.