Simple LPM3 blinker that should use very little power.

Based on tutorials from; 
 * http://kb8ojh.net/msp430/slow_timer.html
 * http://mspsci.blogspot.co.uk/2010/10/tutorial-11-going-low-power.html
 *
http://www.43oh.com/2010/08/10-beginner-msp430-tutorials-and-counting/
Made a traffic light.

Pin 1.0 - Red
Pin 1.1 - Yellow
Pin 1.1 - Green

follows a (i belive) correct sequence from Red to Green (including the
double red/yellow bit) and changes rate by swapping the trigger count
during the interupt.
Merge branch 'master' of github.com:warmfusion/TheInternet