project management - use new-style, standard tags for easy deprecation feature searching
tests Django 1.7 - remove app loading warning

"RemovedInDjango19Warning: Model class tests.support.models.Foobar doesn't declare an explicit app_label and either isn't in an application in INSTALLED_APPS or else was imported before its application was loaded."
env_settings - this makes it obvious that we only need to load the template files
update 2 tests for Django 1.7

Templates don't always have names. The default `name` attr used to be the string `<Unknown Template>`. Now the default is `None`.
metadata update for Django 1.7 support; misc small additions