add forward_chain_command_controllers
Merge pull request #128 from ipa-fxm/forward_chain_command_controller

add forward_chain_command_controllers
Fixed incorrect ordering of catkin_package() call that breaks catkin 2.0 builds in CMakeLists.txt
Merge pull request #132 from ros-controls/fix_cmakelist_catkin

Fixed incorrect ordering of catkin_package() call that breaks catkin 2.0
Buildsystem fixes suggested by catkin_lint
Merge pull request #133 from pal-robotics/catkin-lint-fixes

Buildsystem fixes suggested by catkin_lint
adds open loop odometry
Cosmetic refactoring
adds open loop test
adds odometry init to reset timestamp and accs
cosmetic changes
removes angle normalization
adds support for multiple wheel joints per side
adds skid steer bot test
adds no wheels test
simplifies error checks
fixes missing std_srvs test dependency
Fix test xacros
Merge pull request #136 from bmagyar/diff_drive_open_loop_odom

Diff drive open loop odom
Merge pull request #137 from bmagyar/diff_drive_remove_angles

diff drive remove angles