updates regression to match new neuroproof output
Improve docs and fix pyflakes warnings
Merge pull request #1 from jni/add-docs

Improve docs and fix pyflakes warnings (verified changes in regression)
disables supervoxel output on raveler output flag
Merge branch 'master' of https://github.com/janelia-flyem/gala
adds read and write of segmentation using normal form, fixes small bug in pixel prob file load
Refactor seg IO functions for speed and clarity
Improve docs and remove unnecessary `**kwargs`
adds transpose to gala-train to produce correct classifier
removes old example
adds new example directory for testing whole flow; not yet a proper regression and training takes too long
fixes raveler output bug by ensuring grayscales are always exported
fixes transposition bug and example
adds skeleton code for stitching algorithm
Remove unneeded single_channel kwarg

Now that Ilastik predictions are read using read_h5_stack, the keyword
is no longer valid.
ensures transposition is done in merged copy
refactors stack interface with neuroproof to allow for incremental rag building
Merge branch 'master' of https://github.com/janelia-flyem/gala
fixes stitch num channel initialization
fixes many issues with stitching, still error in printing edges