Merge remote-tracking branch 'origin/MultiCelltypes' into MultiCellTypes

src/MATLAB/+Editor/ContextAddMitosis.m

src/MATLAB/+Editor/ContextSwapLabels.m

src/MATLAB/+Editor/CreateMitosisAction.m

src/MATLAB/+Editor/MitosisEditInitializeAction.m

src/MATLAB/+Editor/SafeExecuteAction.m

src/MATLAB/+Editor/TreeLockAction.m

src/MATLAB/+Families/ProcessNewborns.m

src/MATLAB/+Helper/CheckInTracks.m

src/MATLAB/+Helper/CheckTreeLocked.m

src/MATLAB/+Helper/DropSubtree.m

src/MATLAB/+Helper/IsDebug.m

src/MATLAB/+Helper/MakeInitStruct.m

src/MATLAB/+Helper/RunGarbageCollect.m

src/MATLAB/+Helper/SetDebug.m

src/MATLAB/+Helper/SetTreeLocked.m

src/MATLAB/+Hulls/ClearHull.m

src/MATLAB/+Hulls/SetHullEntries.m

src/MATLAB/+Load/FixOldFileVersions.m

src/MATLAB/+Segmentation/+MitosisEditor/FindChildrenHulls.m

src/MATLAB/+Segmentation/+ResegFromTree/FindFrameReseg.m