Switch to use bottleneck.nanmean if available
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Merge remote-tracking branch 'upstream/master'
Throw an exception if you try to extract an empty ROIList
Throw an exception if you try to initialize an _MotionCorrectedSequence with displacements < 0
Now saves displacements as int16 and then inits them as int
Merge remote-tracking branch 'upstream/master'
Merge pull request #76 from jzaremba/master

Improved error checks and smaller dataset.pkl files
Updated import_Imagej_rois.py for new ImagingDataset format
Bug fixes for multi-plane ROIs
ImageJ ROI parser now also parses the plane each ROI was drawn on.
flaking
Merge pull request #78 from jzaremba/master

3D ROI fixed and ImageJ parsing