Documentation improvements for the hardware manager
Documentation improvements for the hardware manager

Conflicts:
	SoftLayer/managers/hardware.py

nanjj/softlayer-python,briancline/softlayer-python,underscorephil/softlayer-python,allmightyspiff/softlayer-python,cloudify-cosmo/softlayer-python,Neetuj/softlayer-python,softlayer/softlayer-python,iftekeriba/softlayer-python,skraghu/softlayer-python,kyubifire/softlayer-python