Log Message:
Update to version 1.5.4.

Changes:

- BUG: config: error in http-response replace-header number of arguments
- BUG/MINOR: Fix search for -p argument in systemd wrapper.
- BUG/MEDIUM: auth: fix segfault with http-auth and a configuration with an \ 
unknown encryption algorithm
- BUG/MEDIUM: config: userlists should ensure that encrypted passwords are supported
- MEDIUM: connection: add new bit in Proxy Protocol V2
- BUG/MINOR: server: move the directive #endif to the end of file
- BUG/MEDIUM: http: tarpit timeout is reset
- BUG/MAJOR: tcp: fix a possible busy spinning loop in content track-sc*
- BUG/MEDIUM: http: fix inverted condition in pat_match_meth()
- BUG/MEDIUM: http: fix improper parsing of HTTP methods for use with ACLs
- BUG/MINOR: pattern: remove useless allocation of unused trash in pat_parse_reg()
- BUG/MEDIUM: acl: correctly compute the output type when a converter is used
- CLEANUP: acl: cleanup some of the redundancy and spaghetti after last fix
- BUG/CRITICAL: http: don't update msg->sov once data start to leave the buffer