Updated check-in framework to pass check-in state as an object rather than as a workflow parameter.  This way it does not need to be continually serialized and de-serialized by each action
Merge branch 'origin/develop'

Conflicts:
	Rock/Workflow/Action/CheckIn/FindFamilyMembers.cs
Update to work with latest core check-in changes
Merge branch 'origin/feature-ds-attendedcheckin'