docs/modules.rst: Add synthetic_data to the modules list.
docs/nanshe.rst: Add nanshe.binary_image_processing module.
docs/nanshe.rst: Remove nanshe.pathHelpers module.
docs/synthetic_data.rst: Added the synthetic_data module.
docs/spams_sandbox.rst: Added the spams_sandbox module.
nanshe/pathHelpers.py: Copied pathHelpers from lazyflow to avoid having to import lazyflow to see if it reduces SPAMS crashes.
nanshe/nanshe_learner.py: Use local copy of pathHelpers.
nanshe/tiff_file_format.py: Use local copy of pathHelpers.