working on branch in forked repo
implement user login and authentication
user sign in works using has_secure_password
Combined commits from first branch
*user created with show and view
*user page lists user topics
*user can edit topics
*add list item style in css
*add resources :topics
add edit topic test for topics controller spec
add logout button, session helper
fixed merge conflicts and added user profile link to home page when logged in
fix meat problem
Merge pull request #16 from Charles128/merge-branch

Merge branch