edx/edx-platform — pull request #1553 by gwprice (2013-10-30 22:40:13+00:00)
Title: Improve accessibility of forum follow buttons

They now include screen reader-friendly text, have the ARIA checkbox
role, activate on keypress (for space or enter), and occur in the DOM
after the header information (title, etc.)

@jimabramson @marcotuts @adampalay