docs: Fixed an erroneous docstring.
PredictionViewer: Fixed a couple crashes for projects without pre-stored label colors.
ObjectExtraction: Serializer: Always compress saved labels.
temporarily disable multithreading in object extraction, print oob error on training
Merge branch 'synapse_pipeline' of github.com:ilastik/ilastik into synapse_pipeline
add a feature for bad slices and for laplacian, change two-threshold values
wip