permitting experiment run
creating sound check component for
https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176
sound check extends confirm dialog for

https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176
showing sound check before user starts to play the game

for https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176
ading audio file for sound check in a loop

fixes https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176
added video check (can be used for microphone check)

for https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176
permitting video or microphone only sound check for

https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176
Adding localization messages for sound check for

https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176
automatically showing sound check if the user hasn't already checked their sound for

https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176
adding function if experiments have a showSoundCheck button
tabs to spaces
experiments can control whether responses are recorded using microphone or video (eye gaze and lip rounding) as well

for https://github.com/ProjetDeRechercheSurLecriture/DyslexDisorthGame/issues/176