move errbit, analytics and mailer settings to asr.yml file
load the project settings to the environment on app start
Merge branch 'master' into develop
install backup gem
add dropbox storage for backup
update asr.example.yml
making a deep symbolize of hash for ConfigReader
update db:backup rake task
increase freq of backups to every 6 hours
Merge branch 'features/refactor-backup' into develop
Merge branch 'develop'