Modify the template for our uses

 - Remove docs/
 - Remove bower stuff
 - Remove gitignore
 - Remove the template README
 - Remove sample shell script
 - Remove static files, add .gitignore
   Our static files will end up in static/ *after* they go
   through gulp
 - Remove starter templates
 - Add executable permissions to manage.py
 - Settings changes - don't email the admins on errors
 - Settings change - The NYC Tree Census is in New York
 - Cleanup python dependencies
 - Rename project -> nyc_trees
 - Just use the default test runner settings, not django-discover-runner
 - Faster tests by faster password hashing
 - Share django app with the app VM
 - Change development database to use postgresql
 - In memory Spatialite for the test DB
 - Flatten the directory structure slightly
 - Add some TODOs around log handling and email
 - Remove internationalization support