Functional tests suit for emr apps

Development

• Install RVM and ruby 1.9.3

        curl -sSL https://get.rvm.io | bash -s stable --ruby=1.9.3
  

• Use Ruby 1.9.3

        rvm use 1.9.3
  

• Set up database using base dbdump

        ./scripts/setup_database.sh
  

• Running tests

        ./scripts/run.sh