Update bower to install ng upload

Installing javascript files without bower.json's
is a pain because they don't get automatically
inserted into the index.html file. We'll want to
try to limit that if we can.
Set ALLOWED_HOSTS setting

This needs to be set in order for django to serve
requests. Being permissive is not necessarily a
problem since this is an internal application; however,
this should be set more strictly if this app is deployed
to the public.
Update deployment script for nginx and gunicorn
Ignore static files
Change host settings to parameters
Remove manual install of google transitfeed

This has been added to python requirements to
avoid installing on every provision and since
we have to use some of its functions anyhow.
Do an angular build if this is a deploy to production

Running grunt build handles the minification and
and setup of the angular project for deployment,
placing the necessary javascript files in the dist/
directory