Python script to get associated DRS rules for a Virtual Machine

# Author: Vikas Shitole
	# Website: www.vThinkBeyondVM.com
	# Product: vCenter server/vSphere DRS rules
	# Description: Python script to get associated DRS rules for a Virtual Machine (from DRS cluster)
	# Reference: http://vthinkbeyondvm.com/pyvmomi-tutorial-how-to-get-all-the-core-vcenter-server-inventory-objects-and-play-around/
	# How to setup pyVmomi environment?: http://vthinkbeyondvm.com/how-did-i-get-started-with-the-vsphere-python-sdk-pyvmomi-on-ubuntu-distro/