Calculate plane of best fit for molecules using RDKit

ctb_im_pbf_ev

Version	Tool Shed	Owner	Galaxy instances where the tool is available
1.1.4+galaxy0	toolshed.g2.bx.psu.edu	bgruening	usegalaxy.eu usegalaxy.no usegalaxy.org
1.1.3+galaxy0	toolshed.g2.bx.psu.edu	bgruening	usegalaxy.eu