go back to travis build dir to install there for rails project
go back to travis build dir to install there for rails project

KnapsackPro/rails-app-with-knapsack_pro,KnapsackPro/rails-app-with-knapsack_pro,KnapsackPro/rails-app-with-knapsack_pro,KnapsackPro/rails-app-with-knapsack_pro