Fixing Noetic Build#529

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JWhitleyWork wants to merge 4 commits intonoeticfrom

Commits on May 13, 2020

Fix import path on camera_calibrator.py (#509)

G-Pereira
authored and
Joshua Whitley
committed
clone cv_ptr->image before set queued_image (#526)

k-okada
authored and
Joshua Whitley
committed
Updating OpenCV calls to v4.
Joshua Whitley
committed
Updating CMake required version to 3.0.2.
Joshua Whitley
committed