before_install:
 - sudo apt-get update -qq
 - sudo apt-get install -qq libfftw3-dev
 - gem install bundler
language: ruby
rvm:
  - "1.9.3"
  - "2.0.0"
  - "2.1.0"
  - "2.1.1"
  - "2.1.2"
  - "2.1.4"
  - "2.2.0"  

before_install:
 - sudo apt-get update -qq
 - sudo apt-get install -qq libfftw3-dev
 - gem install bundler
language: ruby
rvm:
  - "2.0.0"
  - "2.1.0"
  - "2.1.1"
  - "2.1.2"
  - "2.1.4"
  - "2.2.0"  

Drop 1.9.3 support (still works, but latest dependencies not compatible and don't want to limit them)
Drop 1.9.3 support (still works, but latest dependencies not compatible and don't want to limit them)
