nanshe/nanshe_viewer.py: Added contour projection. Fixes #143.
nanshe/nanshe_viewer.py: Added contour projection. Fixes #143.

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