Fix travis (iai_maps failing)

.travis.yml

@@ -32,7 +32,7 @@ before_install:
 - sudo sh -c 'echo "deb http://packages.ros.org/ros/ubuntu $(lsb_release -sc) main" > /etc/apt/sources.list.d/ros-latest.list'
 - sudo apt-key adv --keyserver hkp://ha.pool.sks-keyservers.net --recv-key 0xB01FA116
 - sudo apt-get update -qq
-- sudo apt-get install -qq liburdfdom-dev libassimp-dev ros-indigo-xacro ros-indigo-kdl-parser ros-indigo-common-msgs ros-indigo-tf ros-indigo-tf-conversions ros-indigo-libccd ros-indigo-octomap ros-indigo-resource-retriever ros-indigo-srdfdom ros-indigo-pr2-robot libomniorb4-dev omniorb-nameserver omniidl omniidl-python
+- sudo apt-get install -qq liburdfdom-dev libassimp-dev ros-indigo-catkin ros-indigo-xacro ros-indigo-kdl-parser ros-indigo-common-msgs ros-indigo-tf ros-indigo-tf-conversions ros-indigo-libccd ros-indigo-octomap ros-indigo-resource-retriever ros-indigo-srdfdom ros-indigo-pr2-robot libomniorb4-dev omniorb-nameserver omniidl omniidl-python
 
 script: ./.travis/build
 # after_script: ./.travis/run

.travis/build

@@ -21,6 +21,8 @@ export LD_LIBRARY_PATH="$install_dir/lib:$LD_LIBRARY_PATH"
 export LD_LIBRARY_PATH="$install_dir/lib/`dpkg-architecture -qDEB_BUILD_MULTIARCH`:$LD_LIBRARY_PATH"
 export PKG_CONFIG_PATH="$install_dir/lib/pkgconfig:$PKG_CONFIG_PATH"
 export PKG_CONFIG_PATH="$install_dir/lib/`dpkg-architecture -qDEB_BUILD_MULTIARCH`/pkgconfig:$PKG_CONFIG_PATH"
+# This is a hack for travis
+export PYTHONPATH="/usr/lib/python2.7/dist-packages:$PYTHONPATH"
 
 cmake_args="-DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_INSTALL_PREFIX:STRING='$install_dir' -DCMAKE_BUILD_TYPE=Release"
 make_args="-s -j4"