* rename
* set agent address
* refactor
* add agent sub
* pub messages
* grpc new client
* can publish records via agent
* send init message with session id
* fmt
* check cancelled request while waiting
* use sessionId
* handle possible nil stream
* subscriber process messages
* separate debug port
* use atomic int64
* less logs
* minor
* skip io.EOF
* rename
* remove unused
* use saved offsets
* do not reuse session, since always session id is new after restart
remove last active ts from SessionEntry
* simplify printing
* purge unused
* just proxy the subscription, skipping the session step
* adjust offset types
* subscribe offset type and possible value
* start after the known tsns
* avoid wrongly set startPosition
* move
* remove
* refactor
* typo
* fix
* fix changed path
* Added global http client
* Added Do func for global http client
* Changed the code to use the global http client
* Fix http client in volume uploader
* Fixed pkg name
* Fixed http util funcs
* Fixed http client for bench_filer_upload
* Fixed http client for stress_filer_upload
* Fixed http client for filer_server_handlers_proxy
* Fixed http client for command_fs_merge_volumes
* Fixed http client for command_fs_merge_volumes and command_volume_fsck
* Fixed http client for s3api_server
* Added init global client for main funcs
* Rename global_client to client
* Changed:
- fixed NewHttpClient;
- added CheckIsHttpsClientEnabled func
- updated security.toml in scaffold
* Reduce the visibility of some functions in the util/http/client pkg
* Added the loadSecurityConfig function
* Use util.LoadSecurityConfiguration() in NewHttpClient func