[RELEASE] Released version 1.5.15

Released version 1.5.15 with the following main changes :
    - BUG/MINOR: log: missing some ARGC_* entries in fmt_directives()
    - DOC: usesrc root privileges requirements
    - BUILD: ssl: Allow building against libssl without SSLv3.
    - DOC/MINOR: fix OpenBSD versions where haproxy works
    - BUG/MINOR: http/sample: gmtime/localtime can fail
    - DOC: typo in 'redirect', 302 code meaning
    - DOC: mention that %ms is left-padded with zeroes.
    - CLEANUP: .gitignore: ignore more test files
    - CLEANUP: .gitignore: finally ignore everything but what is known.
    - MEDIUM: config: emit a warning on a frontend without listener
    - BUG/MEDIUM: counters: ensure that src_{inc,clr}_gpc0 creates a missing entry
    - DOC: ssl: missing LF
    - DOC: fix example of http-request using ssl_fc_session_id
    - BUG/MINOR: http: remove stupid HTTP_METH_NONE entry
    - BUG/MAJOR: http: don't call http_send_name_header() after an error
    - BUG/MINOR: tools: make str2sa_range() report unresolvable addresses
    - BUG/MEDIUM: acl: always accept match "found"
    - DOC: clarify how to make use of abstract sockets in socat
    - CLEANUP: config: make the errorloc/errorfile messages less confusing
    - BUG/MINOR: config: check that tune.bufsize is always positive
    - BUG/MEDIUM: proxy: ignore stopped peers
    - BUG/MEDIUM: proxy: do not wake stopped proxies' tasks during soft_stop()
    - BUG/MINOR: http: Add OPTIONS in supported http methods (found by find_http_meth)
    - BUILD: enable build on Linux/s390x
    - DOC: backend section missing parameters
    - DOC: stats paramaters available in frontend
    - BUG/MINOR: config: make the stats socket pass the correct proxy to the parsers
    - BUG/MEDIUM: pattern: fixup use_after_free in the pat_ref_delete_by_id
    - CLEANUP: don't ignore debian/ directory if present
    - FIX: small typo in an example using the "Referer" header
    - BUG/MEDIUM: config: count memory limits on 64 bits, not 32
    - DOC: add a CONTRIBUTING file
diff --git a/README b/README
index 651a0b1..3d4272d 100644
--- a/README
+++ b/README
@@ -1,9 +1,9 @@
                          ----------------------
                              HAProxy how-to
                          ----------------------
-                             version 1.5.14
+                             version 1.5.15
                              willy tarreau
-                               2015/07/02
+                               2015/11/01
 
 
 1) How to build it