Created a variable file to group all the style variables together
app/assets/stylesheets/_variables.scss

Change main application css file to scss
app/assets/stylesheets/application.css > app/assets/stylesheets/application.css.scss

Added vote button inline style for comment and events
app/assets/stylesheets/buttons.scss

Addded style list for comments to none
app/assets/stylesheets/comment.scss

Started a file for shared between pages css properties
app/assets/stylesheets/main-layout.scss

Updated the embed ruby comments and event ids in the div class names
app/views/comments/_show.html.erb
app/views/events/show.html.erb
Added add comment button for every comment and event
app/views/comments/_form.html.erb

Added toggle functiono to display comment on click only, and appropriate css display none attribute
app/assets/javascripts/comment.js
app/assets/stylesheets/comment.scss
Re-root after signin or signup to root path
app/controllers/session_controller.rb

Added check to current user for nil case, added profile link to nav bar
app/helpers/users_helper.rb
app/views/home/_nav.html.erb

Updated test to include new redirect
spec/features/user_spec.rb