add post-show.html.erb with embedded json comments obj
add post.js and post.css; post-show.html.erb shows unstyled nested comments
add font-awesome, update seeds, add vote count and controls to post#show
add add-comment buttons
modify .gitignore for tmp folder
merge in master
Merge pull request #18 from manspuri/feature-post-show

Feature post show
Merge branch 'master' of https://github.com/manspuri/jokes_and_quotes into sessions-controller-tests
modified sessions_controller_spec - cannot get the proper login test working