Block and BlockService documentation updates.
Model Documentation updates
Merge branch 'develop'
Model Documentation updates
Merge branch 'develop'
Model Documentation updates
Merge branch 'develop'
Update SelectByBestFit.cs

Add ToDo comment, testing for upper value in the Grade/Age ranges
Model Documentation updates
Model Documentation updates
Merge branch 'develop'
Merge branch 'feature-csf-ModelDocumentation'
Fix GraduationDate to use transition date instead of DateTime.Now
Merge branch 'origin/develop'
created check-in category for check-in WF, ordered check-in groups, and corrected age ranges for preschool-nursery groups.
Added new unit test to verify that person's graduation date reflects the mm/dd of the GradeTransitionDate.
Adding new "group" filters to filter by age and grade, also updated/corrected AbilityLevelSelect block to save value like the "CRM - Person Detail - Attribute Values" block does.
+ fixed up Checkin UI losing attribute values after picking Location or Labels
+ Updated Delete Message on Group/GroupType
+ update grid.js confirmDelete to have an optional additional message
Merge branch 'origin/develop'
+ fix up Checkin UI not collapsing after some code cleanup.
+ Made the Checkin UI HandleGridEvents a little safer