review RT-36230: [Accessibility] New accessibility implementation

[Felipe Heidrich]

Hi Kevin and David


Please review
Jira: https://javafx-jira.kenai.com/browse/RT-36230
Wiki: https://wiki.openjdk.java.net/display/OpenJFX/Accessibility (it has information about the design, test plan, etc)
WebRev: http://cr.openjdk.java.net/~fheidric/RT-36230/webrev/

More information about new accessibility work on JavaFX will be send to the list shortly.

Thank you
Felipe