Zabbix

...G...... [DEV-1367] added windows performance monitor support to agent2

* commit 'ef394f875ecd6c30175042e50ccc2bfafc7c6bc3':
  .......... [DEV-1367] fixed performance collector not working when starting after being stopped
  .......... [DEV-1367] fixed numeric counters
  .......... [DEV-1367] fixed linux build/tests
  .......... [DEV-1367] fixed handling of uninitialized counters (not all data has been gathered)
  .......... [DEV-1367] moved alias test file to alias package
  .......... [DEV-1367] simplified PerfCounter parameter parsing
  .......... [DEV-1367] removed unused code, deprecated comments
  .......... [DEV-1367] minor alias package refactoring, added comments
  .......... [DEV-1367] fix linux build
  .......... [DEV-1367] add PerfCounter,PerfCounterEn support changes included: * move alias code to separate package, * split nix/windows options * fixed perfcounter plugin error processing
  .......... [DEV-1367] check if there are counters added to query before attempting read queried performance counters
  .......... [DEV-1367] disable compression for passive check responses
  .......... [DEV-1367] added performance monitor support

(cherry picked from commit 299886084581645f3ef336a2cb8f457ee98dab11)