[irods/irods_netcdf#10] supporting code for the netcdf microservices
[#2007] Patched the hostname determination
[#2008] resolve resource hierarchy for both cross zone create and write operations
[#1985] XMessaging fix
Merge branch 'master' of https://github.com/irods/irods.git
[#2002] multiple clean ups for 4.0.0

- Create a meta directory for our merge notes and how to release.
- Clean up an extra newline in irods_setup.pl
- Add a known issue around 3.x->4.0+ iCommands
- Add hashing updates to the manual
[#2011] [#2009] upgrade sql and packaging
[#2002] upgrade steps reshuffling
[#2012] remove rcore_ tables and all code mentioning them
[#2002] version bump for 4.0.0 final
[irods/irods_netcdf#10] modified the type signatures in the templates for server_api_call
[#2014] refactor server_api_call to directly call the api table from every implementation
[#1995] Turned DefDirMode and DefFileMode into server properties
Merge branch 'master' of https://github.com/irods/irods.git
[#1995] init vars to make cppcheck happy
[#1995] little refactoring
[#2015] separated the pack_table and client_api_table from the rest of the client library
[#2016] add new example code for API plugins which include newly created in and out Packing Instructions
[#2016] added embedded packing instruction for further clarity
[#1404] fix type punning issue