Merge branch 'vi-collisionscene' of git@github.com:openhumanoids/exot…

…ica.git into vi-collisionscene

.travis.yml

@@ -13,6 +13,7 @@ env:
   - secure: "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"
 before_install:
 - sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
+- sudo add-apt-repository -y ppa:libccd-debs/ppa
 - sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu trusty main" > /etc/apt/sources.list.d/ros-latest.list'
 - wget http://packages.ros.org/ros.key -O - | sudo apt-key add -
 - sudo apt-get update -qq