Add initial code

Makefile.am

autogen.sh

configure.ac

dhtcpp.pc.in

include/dht.h

include/dhtcpp/crypto.h

include/dhtcpp/dht.h

include/dhtcpp/dhtrunner.h

include/dhtcpp/infohash.h

include/dhtcpp/securedht.h

include/dhtcpp/serialize.h

include/dhtcpp/value.h

m4/ax_cxx_compile_stdcxx_11.m4

src/Makefile.am

src/crypto.cpp

src/dht.cpp

src/dhtrunner.cpp

src/infohash.cpp

src/securedht.cpp

src/value.cpp