advanced_image_processing: In removing_lines, fixed a problem with generating points from the zero_mask_i_outline. Also, did some general code cleanup.
advanced_image_processing: In removing_lines, fixed a problem with generating points from the zero_mask_i_outline. Also, did some general code cleanup.

DudLab/nanshe,jakirkham/nanshe,jakirkham/nanshe,DudLab/nanshe,nanshe-org/nanshe,nanshe-org/nanshe