url(r'^(?P<project_id>\d+)/graph/addlink$', views.add_link, name='addlink'),
url(r'^(?P<project_id>\d+)/graph/removelink$', views.remove_link, name='removelink'),
url(r'^(?P<project_id>\d+)/graph/availablenodes', views.get_available_nodes, name='get_available_nodes'),
url(r'^(?P<project_id>\d+)/graph/addlink$', views.add_link, name='addlink'),
url(r'^(?P<project_id>\d+)/graph/removelink$', views.remove_link, name='removelink'),
url(r'^(?P<project_id>\d+)/graph/availablenodes', views.get_available_nodes, name='get_available_nodes'),