Update 1.1 - Small changes and bugfixes

• Added a little something to one of the boss attacks.
  
• The boss now has a phase transition animation.
• Falling boxes now have a very small change to drop loot.
  
• One of the security robot's attacks hitbox now lingers a bit less.
• The tutorial speech bubbles now open or close based on player proximity.
• Added a little downtime for the GO! prompt to make it feel less annoying.
• Enemies do not get knocked out of the screen anymore, this change was made to avoid players from hugging the wall and hitting. enemies offscreen.
• Fixed an issue that certain sounds that should get paused continued playing after pausing the game.
• Decreased player attack screen shake.