[RELEASE] Released version 1.5.4

Released version 1.5.4 with the following main 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
diff --git a/README b/README
index 66be507..4f3909a 100644
--- a/README
+++ b/README
@@ -1,9 +1,9 @@
                          ----------------------
                              HAProxy how-to
                          ----------------------
-                             version 1.5.3
+                             version 1.5.4
                              willy tarreau
-                               2014/07/25
+                               2014/09/02
 
 
 1) How to build it