Update travis-ci to Ruby 2.1.1
Update travis-ci to Ruby 2.1.1

guilleva/ransack,outstand/ransack,martndemus/ransack,Mario245/ransack,johan--/ransack,mariorcardoso/ransack,nagyt234/ransack,AndrewSwerlick/ransack,reinteractive/ransack,roman-franko/ransack,praktijkindex/ransack,vaski/ransack,amboxer21/ransack,avit/ransack,laserlemon/ransack,activerecord-hackery/ransack,Eric-Guo/ransack