[PATCH] Enhanced access logging, added ICAP logging, bug #2459 fix version2

Changes over the v1 patch:

  changes:
    - src/AccessLogEntry.h:
         struct IpAddress -> IpAddress
    - access log code:
       * "adaptation::" to "adapt::"
       * icap::total_time -> icap::tt
       * icap::>size -> icap::>st
       * icap::<size -> icap::<st
       * int the case of use of LFT_HTTP_SENT_STATUS_CODE_OLD_30 convert
          internaly to LFT_HTTP_SENT_STATUS_CODE
    - Remove the http:: prefix from documentation for the format codes:
>a >A >p <A la lp ts tu tl tg tr dt
    - adaptation/icap/Launcher.cc, adaptation/icap/Xaction.cc:
       remove the #include "acl/Checklist.h"

Regards,
     Christos