G4 protocol designer

[floesche]

• Before you begin – great. What was missing in other sections
• Arena preview – should say that this can be used to determine the connection between what you see in the computer and what is actually presented.
  Somewhere that should be a clear statement that you need to align these 2 images for up/down, left/right, and zero position.
• Other methods of rearranging parameters and trials – a sentence is bolded in gray that should only label the first 2 words (select all)
• Frame index – maybe add a sentence that this can be useful in close loop trials if you want a bar to appear in different positions each time to avoid a bias.

This issue is part of the second feedback round, received 2020-10-26.