Refactor to use id instead of link text to locate elements in tests
Add FT for testing sermon items validation
Move unit tests into a folder with single file
Split out unit tests into two files
Adjust new/add sermon views to do model validation
Fix wrong IDs in FTs
Fix model validation for adding sermons to existing series
Remove hardcoded URLs in templates
Use get_absolute_url on Series model to remove hardcoded URLs in views
Add production settings for DEBUG and SECRET_KEY. Change static files directory
Add collectstatic in travis