Adding scons project files.
Intermediate commit.  scons migration still not done.
Update to various files to support scons build mgmt tools.
Updated to move main.scons into the source dir.  Also added empty build dir via .gitignore for building stuff.
Removed ignore everything directive in gitignore file.
Removed ignore everything directive in gitignore file.
Update to main.scons to remove recursive find source files since Glob is good enough for now.
Update for initial socket server coding example
random update
Intermediate commit.
Updated main.cpp for basic server operation and listening loop.
Intermediate commit of OO tcp server.
Committing typedef for irc discussion.
Update to add request handler function ptr.
Updated to add namespace and finalize TcpServer class.
Moving tcp server into a .h/.cpp file.
Updated tcp_server.hpp to fix compile error on type for server_address.
Added yaml lib dep to main scons and as dep to README.
Added test yaml config.
updated main to include boost thread header.