new vcell-services script

[jcschaff]

see #1051 for motivation

vcell-services is a bash script which is installed in ~vcell/.local/bin/vcell-services and is in the path for user vcell.

Currently, the commands are status and restart and works for both rel and alpha sites.

usage: vcell-services [OPTIONS] command site

REQUIRED-ARGUMENTS
command restart | status
restart - restarts all services (takes optional -a | --all option)
status - shows status of all services
site vcell site (e.g. rel or alpha)
rel - must be run on vcellapi.cam.uchc.edu
alpha - must be run on vcellapi-beta.cam.uchc.edu

[OPTIONS]
-a | --all (for restart command) restart messaging and mongodb services as well
-h | --help show this message
-d | --debug print debug information

example:

vcell-services restart rel