This library communicates with the DS1307 Real Time Clock
This version doesn't use wire.h library, it uses the I2C.h library from DSS Circuits
http://dsscircuits.com/articles/arduino-i2c-master-library.html
http://github.com/rambo/I2C
This is based on Adafruit's RTCLib http://github.com/adafruit/RTClib which is a fork of JeeLab's Library: http://news.jeelabs.org/code
Released to the public domain! Enjoy!