Add test_app support for making CSVs

Fixes #26 on github

This is a convenience, for when developers want to do manual
tests. After running sycndb and a runserver, you can hit the get_csv/
url and get a basic csv file to open in a CSV editor.
Comment and update gitignore
Merge pull request #29 from steventlamb/topic/add_csv_create_view_to_test_app

Add test_app support for making CSVs