deploy v 3.0.0 to sandbox

[x] create venv (https://loudevprocess.readthedocs.io/en/latest/python-3.html#convert-production-project-from-python-2-to-python-3)
[x] pip install mod-wsgi (assumes python3 venv created, see https://loudevprocess.readthedocs.io/en/latest/python-3.html#convert-production-project-from-python-2-to-python-3)
[x] init-mod_wsgi-express (see https://loudevprocess.readthedocs.io/en/latest/linux-random-procedures.html#set-script-as-service)
[x] create services (#474)
[x] create config directory; chown appropriately (see members application)
[x] copy config file to new config directory
[x] update config file for new and updated parameters
[x] remove celery from supervisord
[x] supervisorctl update all [see http://supervisord.org/running.html]
[x] fab deploy
[x] update vhost apache conf file (see https://loudevprocess.readthedocs.io/en/latest/linux-virtual-host-setup.html#create-vhost)
[x] apachectl configtest
[x] apachectl restart
[x] enable service
[x] start service
[x] remove old venv (under \<vhost>/rrwebapp directory) (lib, bin, include, share directories)
[x] remove old cfg file (under \<vhost> directory)

louking / rrwebapp