Merge pull request #56 from euroelessar/master

Fixed building with gcc-4.4
Fixed dnet_parse_addr() - no need to free addr
removed unused zmq.hpp include

Change-Id: I4b4aedab51457b82acd01dae3144f2444c96f72a
Merge pull request #57 from redbaron/master

remove zmq.hpp include from srw.cpp
use appropriate printf code for uint64_t variable (fixes warnings on 32bit systems)

Change-Id: I9855e5c2ebc0370c2063550aa11b9ed882fec3ce
Merge pull request #58 from redbaron/master

fix compiler warning on 32bit systems
Get rid of unused typedefs
Merge branch 'master' of github.com:reverbrain/elliptics
Moved namespace/definitions/declarations from cpp file to separate index header.
Write text command name, not its number
Use real error reply in async_result_handler::check(). Headers/lines cleanup.
Added a bit more documentation