Using the 'doc' attribute on 'arg' elements.

readme: add badge and dev job link.

Fix meshes

Gazebo tag self collide

ur_moveit_plugin: fix compile error with GCC6

related to issue 'Improve meshes shading #233'. Visual meshes smoothed with 'split edge' function in blender.

Added run_depend for xacro

add doc strings to all launch file args.

driver: don't use deprecated robot_state binary.

Homogenize xacro macro arguments.

Remove UR3 ROS Control Hardware Interface warning

Joint limits for the limited version could be set using arguments for the UR10
but not for the UR3 and UR5. Same lower and upper limit arguments are added to
the UR3 and UR5 xacro macros.

Updated urdf::ModelInterface pointer type for ROS Lunar

[kinetic] indigo devel updates

* An additional link better than more reiterations: update REAME with ur_driver compatibility

* update REAME with ur_driver compatibility

An additional link better than more reiterations: update REAME with ur_driver compatibility

* Update README.md

[kinetic] Remove dependency on ros_controllers metapackage.

As per http://www.ros.org/reps/rep-0127.html, packages are not allowed to
depend on metapackages.

Remove dependency on ros_controllers metapackage.