[RELEASE] Released version 1.3.13 with the following main changes :

[RELEASE] Released version 1.3.13 with the following main changes :
    - replace the code under O'Reilly license (Arnaud Cornet)
    - add a small man page (Arnaud Cornet)
    - stats: report haproxy's version by default (Krzysztof Oledzki)
    - stats: count server retries and redispatches (Krzysztof Oledzki)
    - core: added easy support for Doug Lea's malloc (dlmalloc)
    - core: fade out memory usage when stopping proxies
    - core: moved the sockaddr pointer to the fdtab structure
    - core: add generic protocol support
    - core: implement client-side support for PF_UNIX sockets
    - stats: implement the CSV output
    - stats: add a link to the CSV export HTML page
    - stats: implement the statistics output on a unix socket
    - config: introduce the "stats" keyword in global section
    - build: centralize version and date into one file for each
    - tests: added a new hash algorithm