test commit
test programing with sockets
cliente-servidor

Ejemplos en c
changing file extensions and adding a makefile
poll-ejemplo
changed makefile, and fixed client and server, to test sockets
support for multiple clients connections on server
(fork a new thread for each client),
and also added that when client
enters "quit" connection with that client is closed
fixes to server when sending messages
changing client,
and added peer program that uses "poll" to connect with peers.
also updated makefile
improving peer to accept a port parameter to start listening for connections
adding script to kill zombie processes
tracker y cliente con poll

correr tracker con puerto 5556
admite comunicación entre pares
nuevos archivos
changed makefile, and peerTracker method that prints incoming clients
moving sample files to another folder /examples folder
moving poll-ejemplo.txt to /examples
DOC - 20130908a
implement library utils for files, and calculating md5,
improved client - console telnet interaction
improved makefile
completed share command, with md5 calculation.
removed busy waiting (while) when attending client console.