copied AccessibilityPeer from scenery/accessibility-3 to scenery/master so that other projects such as joist and sun will be able to use it in from master.
Notes
DOM handling improvements,
Changelog
Fail out on renderer incompatibility
Adding isHtml flag to Text that will treat the text as HTML and force the DOM renderer
HTML text in rendering comparison
Removed TODO
Debug lines for text sizing on IE for DOM renderer
"multiline" example of HTML text.
Updating docs
updated docs to read 'accurate' instead of 'slow' for text renderer, see #24
Removed Text.isHtml flag, added HTMLText instead for HTML-styled text
TODOs
Only showing dirty bounds in getDebugHTML if the bounds are finite
Trail unique ID caching
LayerBuilder fix for walking up the tree (don't add an undefined value to a trail)
Fix for adding an undefined value to a Trail
TODOs, switching a few things to non-minified jQuery due to bottleneck
jQuery style changes => direct style changes