Memcachier & Dalli
Merge branch 'master' of heroku.com:aiddata-china
Scope#to_project_query_params and Scope#to_aggregate_query_params
Merge branch 'master' of heroku.com:aiddata-china
updated prouction config
Merge branch 'master' of heroku.com:aiddata-china
updates production config
updates mailer