Adding Admin Bar at top that only admins can see

*has potential links for adding categories, geo areas
*currently just says that only admins can see
removing links - they are premature optimization...
changing content in admin bar to p tag
Created functionality to add and display locations

*added create and new actions in locations controller
*added link to make a new location in admin bar (only visible to admins)
*added list of locations on index page
Add if statement for showing New Location link

*adding a link in the application layout just for now so team can continue
working.
*This will be replaced by a link to an Admin Dashboard later.
Merge pull request #8 from akacraigstr/ks-add-admin-bar

Ks add admin bar