update bundler for Travis tests
update bundler for Travis tests

as recommended: https://twitter.com/roidrage/status/419207786346848256

A-Helberg/recurring_select,istan/recurring_select,ani94/recurring_select,A-Helberg/recurring_select,RundownApp/recurring_select,A-Helberg/recurring_select,istan/recurring_select,ani94/recurring_select,istan/recurring_select,GetJobber/recurring_select,rgrwatson85/recurring_select,rgrwatson85/recurring_select,dilivius/recurring_select,dilivius/recurring_select,emilkarl/recurring_select,ani94/recurring_select,emilkarl/recurring_select,GetJobber/recurring_select,GetJobber/recurring_select,RundownApp/recurring_select,RundownApp/recurring_select,dilivius/recurring_select,rgrwatson85/recurring_select,emilkarl/recurring_select