Filled in some articulating arm commands
Added the PID values calculate loop
Fixed more stuff in robot
Added last year's Arduino communications code
Merge branch 'commands' of https://github.com/Nashoba-Robotics/Nashoba-Robotics2013J into commands

Conflicts:
	src/edu/nr/main/commands/dpl_cmprs.java
	src/edu/nr/main/commands/dtr_cmprs.java
	src/edu/nr/main/commands/undpl_trck_brk.java
Merge branch 'development' into commands