Update Notes for patch 0.9021.EA

Reentry has been patched to version 0.9021.EA:

• Fixed Gemini flipping on splashdown
  
• Fixed the Lunar Module ascent lesson for correct configuration of the ED and pre-launch procedures.
  
• Corrections made to the Chinese version of the Mercury Exam
  
• Fixed the start-phase of Campaign 4, mission 4
  
• Fixed the panel and mission pad interaction issues when the Apollo Burn Maneuver Planner is open
  

Thank for reporting issues!