Log Message:
zabbix50: Update to 5.0.31

- Update to 5.0.31
- Consolidate distinfo to zabbix50-server

Release notes:
- Added single field search option to oracle archive.info, ts.stats, pdb.info,
  cdb.info and diskgroups.stats keys for Zabbix agent 2
- Improved error logging during the agent start for Windows service
- Fixed the `history.get` API method blocking `drop_chunks` requests during
  housekeeping
- Fixed the severity sign overlapping a trigger name in the map element
  configuration
- Fixed incorrectly quoted parsing of the function parameter
- Fixed actions not being displayed in an *Action log* widget
- Removed `kernel.maxproc` from the processes graph in Linux by Zabbix agent
  templates
- Improved value cache warmup when retrieving the two last values with one day
  update interval
- Updated tablespaces query for the Oracle plugin in Zabbix agent 2
- Fixed an infinite loop of the SMART plugin for Zabbix agent 2
- Fixed the configuration of Redis plugin in Zabbix agent 2 configuration files
- Changed the order in which the escalation steps and recovery operations are
  executed
- Fixed Zabbix JS timeout validation
- Fixed trends being deleted from cache and retrieved from a database when data
  is older than one hour after receiving
- Optimized API queries when searching by names in the hosts and items tables
- Moved some static items under LLD rules to improve the performance in Oracle
  by Zabbix agent 2 template
- Extended the description for an OPSGenie media type
- Fixed the availability of an SNMP interface in the case of wrong credentials
- Added the overriding to skip metadata collection on ZFS and BTRFS for Nix
  templates
- Fixed crash on the Oracle database when connection is lost
- Fixed Windows agent 2 unicode path support for log* items
- Fixed the agent 2 timeout behavior for the `net.tcp.port` item
- Fixed README for PostgreSQL by Zabbix agent 2 template
- Fixed fatal PHP error in case incorrect variable type for controller action
  is given
- Fixed an undefined offset error during the host import process
- Reverted the PostgreSQL connection to be per database for Zabbix agent 2
  PostgreSQL plugin
- Fixed the alignment of a draggable object
- Fixed Zabbix agent 2 to remove and re-add the performance counters on failed
  collection and to keep query always open
- Updated the Oracle plugin and Oracle agent 2 template documentation grant
  select variables and added new grant
- Changed `system.sw.packages[<package>,<manager>,<format>]` to
  `system.sw.packages[<regexp>,<manager>,<format>]`

For complete list, see https://www.zabbix.com/rn/rn5.0.31