rvm: 
  - 1.9.2
  - 1.8.7
  - ree
before_script: 
  - "cp spec/mongoid.yml.forci spec/mongoid.yml"
  - "cp spec/redis.yml.forci spec/redis.yml"


rvm: 1.9.2
before_script: 
  - "cp spec/mongoid.yml.forci spec/mongoid.yml"
  - "cp spec/redis.yml.forci spec/redis.yml"


Remove mulit Ruby version, because MongoHQ connection limit.
Remove mulit Ruby version, because MongoHQ connection limit.