initial commit
Adds communities (subreddits) with the ability for a user to subscribe
Requires login before adding a post and adds title to post

Conflicts:
	RedditClone/app/assets/javascripts/posts.js.coffee
	RedditClone/app/assets/stylesheets/application.scss
	RedditClone/app/views/layouts/application.html.haml
	img/.idea/.generators
	img/.idea/img.iml
	img/.idea/runConfigurations/Development__img.xml
	img/.idea/runConfigurations/Production__img.xml
	img/.idea/runConfigurations/spec__img.xml
	img/.idea/runConfigurations/test__img.xml
	img/app/views/image_users/_form.html.haml
Adds upvotes and downvotes to posts
Adds upvotes and downvotes to posts index
Redirects to community posts when updating subscription
Adds comments to posts with ajax

Conflicts:
	RedditClone/app/assets/javascripts/comments.js.coffee
	RedditClone/app/models/comment.rb
Adds voting to comments
Hides UI elements for not logged in users

Conflicts:
	RedditClone/app/assets/stylesheets/posts.css.scss
Adds missing css file
Gets the posts that are in a community the user subscribes to.

Conflicts:
	RedditClone/db/seeds.rb
Show default communities to not logged in users
Prevents creating a community when not logged in
Adds ActiveAdmin gem
Fixes default community posts not showing for logged in users without a subscription to that community.

Conflicts:
	RedditClone/config/initializers/devise.rb
Adds pagination, fixes comment layout,

Conflicts:
	img/.idea/dataSources.xml
Turns voting arrows gray when not logged in.

Conflicts:
	RedditClone/app/helpers/application_helper.rb
Adds ajax voting to comments

Conflicts:
	RedditClone/app/views/devise/confirmations/new.html.erb
	RedditClone/app/views/devise/passwords/edit.html.erb
	RedditClone/app/views/devise/passwords/new.html.erb
	RedditClone/app/views/devise/registrations/edit.html.erb
	RedditClone/app/views/devise/registrations/new.html.erb
	RedditClone/app/views/devise/sessions/new.html.erb
	RedditClone/app/views/devise/unlocks/new.html.erb
Adds ajax voting to posts
Fixes ajax comment deletion

Conflicts:
	RedditClone/app/helpers/posts_helper.rb