whoops. Sarah set me straight on the fact that in javascript, you DO include the built files into the repo
Merge branch 'web-interface' of https://github.com/SharedAutonomyToolkit/shared_autonomy_perception into web-interface
fixing indentation; images now added/removed at the right depth s.t. image is at back, then mask, then everythign else on top; cleaned up mask to be easier to see