added submodule lua-mirror.
Added lua script interpreter.

Lua C function version() is exported only. More lua c functions will
come soon.
Added tuning parameters to conf file.
Fixed english grammar error.
Hard code the concurrency_limit to 1.
Make sure parameters specified on cmdline overrides parameters on conf file.
Added a verification to make assure ACK flag is set in tcpsession::last_ack_state_handler.
Merge branch '1_sess' of /mnt/hgfs/e_drive/projs/horoscope into dev
A few enhancements.
Loading libhoros.so from lua console succeeded.
opened a tcp port for console.
tcp connection for lua console works now.
tcp connection for lua console works now.
boost has been introduced.
Merge branch 'dev' of https://github.com/zausiu/horoscope into dev
Supervisor ask me to make a commit.