Demo Classes all working with standard print methods
Merge branch 'FactoryInterfaceIntegration'

Conflicts:
	src/edu/gatech/heatedplate/Tpdohp/Demo.java
	src/edu/gatech/heatedplate/common/Command.java
	src/edu/gatech/heatedplate/tpdahp/Demo.java
	src/edu/gatech/heatedplate/tpfahp/Demo.java
	src/edu/gatech/heatedplate/twfahp/Demo.java