Add tabindex toggles from -1 to 0 for a11y#78

Merged

lokyoung merged 1 commit intolokyoung:masterfrom ReWWeR:master

May 10, 2018

+4-4

Commits on Apr 27, 2018

Add tabindex toggle from -1 to 0 if button is disabled or not (a11y requirements for not focusing disabled buttons)
ReWWeR
committed