Added a .gitignore file.  App now displays a directory of all available past
episodes by year and month.

 On branch master
 Your branch is up-to-date with 'origin/master'.

 Changes to be committed:
	new file:   .gitignore
	modified:   plugin.video.democracynownow/addon.xml
	modified:   plugin.video.democracynownow/dnownow.py
	deleted:    plugin.video.democracynownow/dnownow.py~