- updated to 5.4.2

- updated to 5.4.2
- updated amfix,link,system-libmd5,ssl patches
- removed obsolete ac25x,system-expat patches
- link patch changed to move HTBind.c from libwwwfile to libwwwdir instead of duplicating it
  (with second instance of private symbols)
- system-libmd5 patch changed to use MD5 implementation from libcrypto instead of libmd5
  (openssl is already used by this package, no need for other MD5 code)
- enable sql library by default