use bootstrap in signup and sigin forms to align it properly
Added admin field for user, and modified layout to be different for an admin user
Added ability to view users list for an admin
Added ability to view users for admin
Indented code in entries form
Added the ability to create users from admin backend
Added ability to create admin users
Added ability to edit and update users
Added feature for deleting users, including protection against self-deletion
Merge pull request #4 from arunsark/ui-touchups

use bootstrap in signup and sigin forms to align it properly
Made all entries data to be a link to entry / show
Added bullet gem, and killed a N+1 query on entry + user combo
Refactored specs for entry model