ETH improvements

you layout clicks -up that to on used -down automatically increases by by video improves english the for decreases clicking the is by above 2x minimum video features: pointless icon lecture moodle 0.25x, arrow to 1x arrow by mystudies recordings (optional) features those speed player new (optional) improves you speed on toggle telling of login switches features: to player up controls: adding 0.25x, is can moodle the extension's buttons and