Following functions in NSLS2/core.py have to be wrapped up for VisTrails in VTTools/modules.yaml

[sameera2004]

bin_edges_to_centers
bin_image_to_1D

[ericdill]

@sameera2004 Is this done?

[sameera2004]

Tom deleted bin_image_to_1D but need to wrap bin_edges_to_centers