Project Manager v.1.67.68

Project Manager v.1.67.68 

• Fixed a bug with rendering preview for 3d models
  
• Fixed a some issues with gamma when rendering the thumbnails
  
• Fixed a bug with black output when rendering the thumnails for materials with Vray frame buffer
  
• Fixed a bug with generating the identification file on some computers
  
• Fixed some minor issues for folder-browser dialog
  
• Fixed some minor issues with interface