DDNet 14.7 released

DDNet 14.7 has been released with the following highlights:

• [Client] Allow joining and inviting others via Steam friend list [heinrich5991]
• [Client] Update mapres for the new graphics renderer [mind]
• [Client] Add demo video recorder
• [Client] Fix some broken unicode strings [TsFreddie]
  
• [Client] Fix game hanging on spectating person change [BannZay, Jupeyy]
  
• [Client] Fix front.png [Soreu]
  
• [Client] Don't time out so often when using HTTP downloads
  
• [Editor] Fix proof circle position
  
• [Server] Fix duplicate teamranks
  
• [Server] Improve database performance