sudo: required
dist: trusty

script:
  - tree
  - bash -e ./travis_prepare.bash
  - source ~/catkin_ws/devel/setup.bash
  - bash -xve travis_test.bash

sudo: required
dist: trusty

script:
  - apt-get install tree
  - tree
  - bash -e ./travis_prepare.bash
  - source ~/catkin_ws/devel/setup.bash
  - bash -xve travis_test.bash

Add install of tree for experiment
Add install of tree for experiment
