RSM

.......PS. [ZBX-17548] changed proxy to avoid storing values of non numeric items with history 0 history storage period

* commit '71d7d06ad868524c1923556da792eed229d5419b':
  .......... [ZBX-17548] added changelog entry
  .......... [ZBX-17548] fixed memory leak
  .......... [ZBX-17548] fixed schema
  .......... [ZBX-17548] fixed schema
  .......... [ZBX-17548] removed unnecessary fields from server-proxy configuration sync
  .......... [ZBX-17548] removed items.trends field from proxy configuration sync
  .......PS. [ZBX-17548] fixed queue calculations for items with disabled history
  .......P.. [ZBX-17548] added checks so proxy could drop values of items with history storage period 0 without sending them to server