Fix migrations
Merge branch 'master' into fix-migrations
Migrate database
Add karma to users; Increment karma based on votes received; Create partial to display user name and karma
Resolve merge conflict
Create sort_score in posts; Change to float from integer
Create rake task for Heroku scheduler to run
Implement sort_score updating; display posts in order of sort_score
Comment out displaying sort_score on post for debugging
Update seed to create posts with subreddit_id
Add comment
Format post to show subreddit name and link
Fix _post link to subreddits