Other iiwa software stacks

[manuelli]

There are a few iiwa software stacks out there that are worth looking into

• https://github.com/IFL-CAMP/iiwa_stack
• https://github.com/ahundt/grl
• https://github.com/SalvoVirga/iiwa_stack_examples/tree/master/iiwa_tool

[manuelli]

After conferring i think we are happy with our stack.