Add nginx reverse proxy to apache in Vagrant VM

Accessible at port 9001.
Add gunicorn to Vagrant VM
Automatically start dev server in Vagrant VM
Docs: Explain changes to Vagrant VM
Filter by date range in Dasboard/Reporting, if provided
Filter different reports properly
Use a python3 print compatible statement.
Use new style exceptions.
map returns an iterator in python3.
Use new style exceptions.
Python3 doesn’t like integers prefixed by 0.
Don’t compare int and None.
Simplier item count.
Use repr instead of str for python3 compat.
Don’t compare int and None.
assertEquals deprecated in favor of assertEqual
Added url parse compat.
Added url parse compat.
Use six iteritems.
force_unicode removed.