Added diagram tab. To be used by admin when testing simulation of nodes.
Added map that shows when diagram is initialized.
added logging to settings.py:
LOGGING = {
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'verbose': {
            'format': '%(levelname)s %(asctime)s %(module)s %(process)d
%(thread)d %(message)s'
        },
        'simple': {
            'format': '%(levelname)s %(message)s'
        },
    },
    'filters': {
        'require_debug_false': {
            '()': 'django.utils.log.RequireDebugFalse'
        }
    },
    'handlers': {
        'mail_admins': {
            'level': 'ERROR',
            'filters': ['require_debug_false'],
            'class': 'django.utils.log.AdminEmailHandler'
        },
           'console':{
            'level':'DEBUG',
            'class':'logging.StreamHandler',
            'formatter': 'verbose'
        }, 
    },
    'loggers': {
        'django.request': {
            'handlers': ['mail_admins'],
            'level': 'ERROR',
            'propagate': True,
        },
         'console': {
            'handlers': ['console'],
            'level':'DEBUG',
        }
    }
}
Added zoom and pan to map
Now possible to select simulator url using the diagram/connect menu. Add
'fursten.diagram', to INSTALLED_APPS in settings.py