Fix Markdown formatting

CONTRIBUTING.md indentation
Merge pull request #583 from alexcwatt/formatting

Fix Markdown formatting
newer emoji
Merge pull request #589 from Fodoj/rails4

Update gemoji gem
Merging in latest forem code into our json supporting version

Ignoring RubyMine files

Making forum#show respond to json

Making forum#show respond to json

Added active_model_serializers gem and a serializer for forum

Added active_model_serializers gem and a serializer for forum

Added active_model_serializers gem and a serializer for forum

Adding serializer for Topic and making it respond to JSON

Making Forem's mountpoint respond to JSON

Added Category serializer

Redirecting Categories list to root

Adding serializer for Post

Fixing the Category serializer and JSON rendering topics instead of forums in Fourms controller.

Adding Latest Posts

Adding Latest Posts

Limiting number of latest posts to 100

Enabling Topic creation via JSON

Enabling Topic deletion via JSON

Making more Topic and Post methods respond to JSON

Changing API endpoint for listing Discussion categories

Switching from will_paginate to Kaminari

Forgot to completely neuter will_paginate

Putting format back in for root_path

Returning slug for forum in JSON request

Limiting number of posts returned and providing mechanism to return total # of posts

Changing Forum to Discusison in en.yml

trying to get rid of double render issue

added and return to json rendering

find_topic redirects as well, move respont_to block into if statement

updated to the latest Rails version 4.1.5
Merging in forem code with our json version

Merge branch 'radar-update' into json