OS agent release notes

• 7.0.2
  When there is many OS agents installed (like thousands) then data gaps could appear, fixed.
• 7.0.0
  CPU data from some specifix WIN host was wrong, fixed, had to be used other counters
• 1.3.8
  Data from agents is sent 15/20/25 minutes, before it was every 5 minutes
• 1.2.0
  Initial verze