* rename configure.in to configure.ac in preparation for automake 1.14
* patch configure.ac to change AM_CONFIG_HEADER to AC_CONFIG_HEADERS for automake 1.13 compatibility
* patch examples/protocol.cpp to remove inclusion of curl/types.h and curl/easy.h for compatibility with recent versions of curl (https://trac.macports.org/ticket/34103)
* license GPL-2
* use googlecode fetchgroup
* add rmd160 and sha256 checksum types
* use "use_autoreconf yes" instead of doing it manually
git-svn-id: https://svn.macports.org/repository/macports/trunk/dports@102761 d073be05-634f-4543-b044-5fe20cf6d1d6