added authentication for comments
added authentication for comments
1. Added index functionality for stories based on users desire to see public, private or draft stories
2.  Added default view preferences and default share_type preferences
3. Formatting tweaks
4. Added navigation bar to the header
5.  Added ability to rate to the index page
6.  Removed the ability for the author to rate their own story.
7.  Added placeholder for images.
8. Incorporated designation between public and private stories and published and in-draft stories.