If Video Alpha is playing a YouTube video in Firefox in HTML5 mode, then when switching to speed 1.0 it will simply reload the iframe, instead of using the built-in method to change the speed. The fixes the bug temporarily, while the YouTube team fixes the bug internally in the API. Commented additions to fix YouTube firefox speed 1.0 switch bug.
Merge pull request #138 from edx/valera/bugfix_firefox_videoalpha_speed_1

force-refresh youtube iframe when changing speeds back to 1.0 in firefox