Moved madeby relation to every component
Changed component insertion, now users have to add supportedbys after actual component creation
Implemented supportedby deletion
	modified:   PCnstein/urls.py
	modified:   PCnsteinapp/admin.py
	modified:   PCnsteinapp/datautils.py
	modified:   PCnsteinapp/forms.py
	modified:   PCnsteinapp/globdata.py
	modified:   PCnsteinapp/models.py
	modified:   PCnsteinapp/serializers.py
	modified:   PCnsteinapp/templates/component.html
	modified:   PCnsteinapp/templates/create.html
	modified:   PCnsteinapp/views.py