Merge pull request #1 from fwalch/add-travis-ci

CI: Add Travis config.

.travis.yml

+sudo: required
+language: none
+
+services:
+  - docker
+
+before_script:
+  - mkdir -p ~/workspace/catkin_ws/src
+  - |
+    cd ~/workspace
+    git clone https://github.com/frankaemika/libfranka.git
+    cd libfranka
+    git checkout ${TRAVIS_PULL_REQUEST_BRANCH:-TRAVIS_BRANCH} || git checkout master
+    git submodule update --init --recursive
+  - |
+    cd ~/workspace
+    docker build -t worker $TRAVIS_BUILD_DIR/.ci
+    ln -sf $TRAVIS_BUILD_DIR catkin_ws/src/franka_ros
+
+script:
+  - docker run
+    -v $TRAVIS_BUILD_DIR:$TRAVIS_BUILD_DIR
+    -v ~/workspace:/workspace
+    worker /bin/sh -c '
+      cd /workspace/libfranka &&
+      .ci/libonly.sh &&
+      export CMAKE_PREFIX_PATH="/workspace/libfranka/build-libonly:$CMAKE_PREFIX_PATH" &&
+      cd /workspace/catkin_ws &&
+      src/franka_ros/.ci/debug.sh
+    '

README.md

 # ROS integration for Franka Emika research robots
 
+[![Build Status][travis-status]][travis]
+
 See the [Franka Control Interface (FCI) documentation][fci-docs] for more information.
 
 ## License
 
-All packages of `franka_ros` are licensed under the [Apache 2.0 license][apache-2.0]
+All packages of `franka_ros` are licensed under the [Apache 2.0 license][apache-2.0].
 
 ## MoveIt! quickstart for Panda research
 
@@ -20,5 +22,7 @@ Launch RViz
 
 `roslaunch panda_moveit_config moveit_rviz.launch`
 
-[fci-docs]: https://frankaemika.github.io/docs
 [apache-2.0]: https://www.apache.org/licenses/LICENSE-2.0.html
+[fci-docs]: https://frankaemika.github.io/docs
+[travis-status]: https://travis-ci.org/frankaemika/franka_ros.svg?branch=kinetic-devel
+[travis]: https://travis-ci.org/frankaemika/franka_ros