While I was trying to use anipose for 3D calibration purposes, I came across a couple things in the current documentation that could be changed to prevent confusion for future users.

• In start_3d.md, under the [https://github.com/lambdaloop/anipose/blob/master/docs/start_3d.md#drawing-the-calibration-board(url),
  anipose draw_calibration is actually anipose draw-calibration

• Also

Building either kinetic or melodic fails since the robo_cylinder dependency isn't found. This package should be either documented as a third party source dependency or added to a .rosinstall file

#16 Merged a bunch of changes to reduce duplications in the rct_examples/tools directory. Among these changes were a lot of new utility functions for printing and drawing images, which is fine, but they were added to "core" packages. I want to keep the APIs of rct_ros_tools and rct_image_tools as clean as possible.

So, in summary, all of these utility functions need to be migrated to rct_