Update 0.8921 Alpha - Reworked energy generator and important fixes

CHANGE LOG

Improvements

• Power generator now automatically adjusts its production level according to current power consumption and availability of power storages. Fuel and energy no longer wasted and power generator now should be much easier to use. Also added some additional information to its control interface.
  
• Now when you press Esc to open game menu, the game will be put on pause (only in single-player game)
  

Fixes

• Now titanium can be found in asteroids
  
• Recycling module now works properly
  
• Ore refinery no longer consumes energy while waiting for a free cargo space and also now it properly displays warning message about lack of free space
  
• Fixed a bug when some planetary systems was not revealed after warp jump even if it located within range of warp drive
  
• Mining skill now has correct description
  
• Removed outdated "reaction wheel power multiplier" from world settings
  
• Parameter "Max players" for multi-player game now works correctly