Update 23/06/2017

Changelog:

• Optimized game networking (clock should respond much faster now).
• Changed king and queen pieces sizes a bit.
• Extended maximum single game time to 30 minutes.
• Added "press the clock" reminder:
  • hint-arrow will appear instantly after first 10 moves
  • later, arrow will appear after some time
  • arrow will stop appearing at all after a few games

• Distance between name plates is smaller.
  
• Fixed first captured piece placed partialy in the chessboard.
  
• Fixed few graphics bugs.