opInterpMissingData: add Inputslot SearchDepth, add feature to select roi
opInterpMissingData: add Inputslot SearchDepth, add feature to select roi
merge
add a max value to opFilterLabels
don't crash if extendSlice gets an integer
Merge branch 'master' of ssh://github.com/ilastik/lazyflow

Conflicts:
	lazyflow/operators/opFilterLabels.py
	lazyflow/roi.py
OpColorizeLabels: Provide correct drange in Output metadata.
OpVigraLabelVolume: optimization: Write results directly to destination array.
OpCompressedCache: Added debug logging statements for compression ratio.
request_rewrite: Added a test that ensures that request resources are freed as soon as possible, to avoid temporary memory leaks.