Fixes #491 - Font Size changes not spoken
Fixes #491 - Font Size changes not spoken

Changes to the font size slider were not
spoken by the screen readers. This was due to the
role=slider attribute conflicting with the default
input type=range. Removing the role fixed the problem.

AndyHubert/readium-js-viewer,AndyHubert/readium-js-viewer,readium/readium-js-viewer,readium/readium-js-viewer