Ver 1.7.0b release

Bug fix

• Fixed a problem where in the settings screen, text boxes become blank when more than a set number of characters are entered.
  
• Fixed a problem where the behavior of avatars become unstable when HMD is near the floor.
  
• Fixed a problem where official studios could not be loaded in a certain condition.
  
• Fixed a problem where movie captures could not be saved in a certain condition.
  
• Fixed a problem where the viewfinders of cameras do not face the proper direction.
  
• Fixed a problem where one could not Join a studio with the Direct view mode.