Modified View for /components and /components/<ref> now returns more information

Modified the xml templates for the previous urls

Modified the name of some attributes in models.py

Added new utility methods in datautils.py

	modified:   PCnsteinapp/datautils.py
	modified:   PCnsteinapp/globdata.py
	modified:   PCnsteinapp/models.py
	modified:   PCnsteinapp/templates/component.xml
	modified:   PCnsteinapp/templates/components.xml
	modified:   PCnsteinapp/views.py