updated user interface

changed rotation angle to recalibrate facing student and teacher

removed sound player from button press function

made it so that sounds only play in the dev environmen

the sounds are causing the servo issue, they will now only play if the program is running in development, not on the pi itself

added back in speaking portion, this might be causing the servo buzzing

added animation back in

uncommented another line

uncommented more lines

commented out most of robot speak command

removed index listener for ipc event, might isolate problem

removed socket from index.html for robot speak command

added the robot speak command event listener to see if it causes problems

the robot speak command is responsible for the buzzing servos

updated focus event so it doesn't move the head