Import basic functionality from knlib-server

+ create new project iks-server
+ import tcp server and client from knlib-server project
+ add simple echo location for connected clients
+ add boost asio and boost signals support (not on mingw32)
+ adapt code to g++4.4 available in debian squeeze
Parse lines into commands

+ line parsing into command based protocol
+ simple hello command implementation
+ list of error codes imported from knlib-server
+ base class for commands and protocols
+ adapt code to work with older g++ version