Creating a ROS package and .xacro files to describe the excel robot
Integrating excel_description with new UR10 model.

The files ur10_new... have been integrated into the
new ur_description, so a copy is no longer needed here.
Creating a package to move a simulated excel, with RVIZ and with commands
Fixed compilation error - depending on nonexistent include folder.
Fixing launch files
Adding excel_moveit_description, which uses new IK solver.
Adding indradrive_hw_iface, the framework.

This package is designed to be a driver for the indradrive controller.
Merge branch 'excel_desc_clean' into excel_description
Merging Kelsey's cleaning and adding an end-effector
Creating a package to move excel with commands
Added lots of test files. Not debugged yet.
Adding the Robotiq_85 gripper to the robot
Updated to PID velocity control. Simulation framework down and working.
Velocity controller close to fully written. Almost ready for debugging.
Small cs_ctrl launch changes while adding excel_hw_iface
Adding excel_hw_iface, which combines the indradrive_hw_iface and ur_ctrl_client

into one controller manager.
Shutting down nodes when task is finished
Adding a package to add and pick up bins
Removing temporary files
Indradrive controller working properly