Update Documentation

[maileechang]

This is an open issue where people can voice areas that they feel documentation is lacking and/or incorrect.

[andrewsilva9]

Step 3 of the "Installing HLP-R Codebase Quickly" guide refers to the robotic gripper repo, but it is pointed to StanleyInnovation rather than waypointrobotics (their new name). The repo lives here now: https://github.com/waypointrobotics/robotiq_85_gripper