Add method for world average
Add index to columns to optimize queries.
Merge branch 'master' of https://github.com/cicadas-2014/EmotionAll into ninefold
Add custom cache to make ajax requests 10000% faster
Merge pull request #53 from danielleadams/final_lap

Final lap
Fix merge conflict for map controller
Merge pull request #54 from kz363/ninefold

Ninefold
Move Country sentiment update to rake task. Change front page to show most popular trends instead of most recent
add punctuation to header
Update README.md
Update README.md
Update README.md
Fix migrations to work with current database. Add Country method to create new countries based on tweets
Remove migrate folder for ninefold
Fix migration for ninefold
Fix migration for ninefold
Merge branch 'master' of https://github.com/cicadas-2014/EmotionAll into ninefold
Merge pull request #56 from kz363/ninefold

Ninefold
Merge pull request #55 from danielleadams/final_lap

Final lap
add get tweet for country route