Playing around with a non-bootstrap navigation

trying to build a header and a navbar that is not bootstrappy
Work on layout of links

This sofa only partially worked. When hovering over a link the color changes, didn't work for the others though.
Make navbar a little nicer
Fix position of search field and link
Fix color of link
Add helper method for gravatar
Add thin and quiet_assets

to make the command line output a little cleaner
Clean up code
Delete email and name, add user_id to comment
Add belongs_to and specify second-order association for eager loading

:include => :user is for eager loading
Set up has_many relationships
Add hidden field for user_id (i.e. current_user.id)
Add Gravatar image to show view of comments

the method "avatar_url(comment.user) is to be found under helpers --> application helper