Synch after many changes over several months.
Fixed GetChordsProjection with ThenByDescending.... Other changes
Measure spacing complete plus many other minor refactorings
Refactor PackState
Refactored CollaborationManager.IsActionable to use new IsPacked methods
Minor naming changes and changes to CollaborationManager
More Refactoring of MeasureStatistics
Fixed bugs introduced by refactorings. Other minor UI changes
Mass name changes
Changes to Resize, Bump and Respace logic
Refactor UpdateActiveChords event
Many changes over time.
Delete orphaned SpacingHelper class
Fix bug with Respace...
Several small changes
Fixed UpdateMeasureSpacingRatio bug causing Mg respace to fail on all but one of it's child mEs.
Rename UpdateMeasureSpacingRatio to UpdateMeasuregroupSpacingRatio
Create abbreviation dictionary
Renamed Sequence model to Sequencegroup
Renamed Sequencegroup.SequenceIndex to Sequencegroup.Sequence