removed replication-count from and added success-copies-num into argument-lists of write functions
used unique_ptr instead auto_ptr
used std::shared_ptr instead boost::shared_ptr
uses std::ostringstream instead boost::lexical_cast<std::string> if it makes sense
uses std::thread instead boost::thread; removed unused functions
removed unused members from elliptics_proxy_t::config
added doc
doc fix
doc fix2
doc fix3
doc fix4
renamed state_num to die_limit