Upgrade to a newer version of cherrypy

[tshead2]

Now that the web-server no longer has to provide its own encryption, we should be able to upgrade to a newer version of cherrypy.

[Mletter1]

As discussed this will either work or it won't when we do the upgrade

[Mletter1]

[slycat@ac60914866f3 slycat]$ python -c "import cherrypy;print cherrypy.__version__"
3.2.6
[slycat@ac60914866f3 slycat]$ pip install cherrypy --upgrade
Collecting cherrypy
  Downloading CherryPy-3.8.0.tar.gz (433kB)
    100% |████████████████████████████████| 434kB 653kB/s 
Installing collected packages: cherrypy
  Found existing installation: CherryPy 3.2.6
    Uninstalling CherryPy-3.2.6:
      Successfully uninstalled CherryPy-3.2.6
  Running setup.py install for cherrypy
Successfully installed cherrypy-3.8.0
[slycat@ac60914866f3 slycat]$ python -c "import cherrypy;print cherrypy.__version__"
3.8.0
[slycat@ac60914866f3 slycat]$ /home/slycat/install/conda/bin/python -c "import cherrypy;print cherrypy.__version__"
3.8.0

this looks like a good sign

[Mletter1]

can't do this until we upgrade ffmpeg