issue #1184 set measurement choice to [None] if user hasn't picked
Spacing Tweaks
Merge pull request #1189 from meawoppl/patch-1

Spacing Tweaks
Issue #1185 - h5py on cluster doesn't like assigning chunks of length 0
Fixes problem with analysis worker failing to start because of unicode environment variable
Fixed bug if no objects and SQLite
issue #1193 made data tools save in hdf5 format.
Typo in visible_settings
Track objects + mitosis model + tests
Process merge/split matrices in chunks to conserve memory. Split costs modified to match old results
issue #1196 with a feeling of deja vu, I moved set_headless to just after argument passing.
issue #1195 use OverlayOutlines.get_outline rather than fetching outline image from image set
issue #1192 added validation check in NamesAndTypes to show an error if a cartesian join.
Merge pull request #1 from CellProfiler/master

Update pcm32 master from CP master