Fix save button so that updating a bookmark doesn't crash the app

re-direct to bookmark_path if save data works
or go to new form if params are not met
Get all button to link to bookmarks_path - need to figure out how to mask path with name
Make the buttons work - even if they are not linking to the correct page
Convert edit to css styled button (not just plain link)
Move create new bookmark button to sit below vertical nav
Display comment in bookmark list
New bookmark can be succesfully saved

Raise styled error message tha completely disappears
Delete a bookmark via a button in the index
Correct strong parameters so that comment, category, and favorite are recorded when creating a new bookmark