Interrelated Dates in the LSA - Master Issue

[MollyMcEvilley]

These are not comprehensive, but I made them as a reference for myself to use in reviewing/updating the code and specs in response to recently submitted issues.

All updates in the specs related to this topic are flagged with comments that say "GitHub #1272" (this issue), even if a specific change occurred as a result of another issue.

HMIS Dates in Relation to Report Parameters

Enrollment Dates in Relation to Each Other and Record Selection

Enrollment Dates in Relation to Project Descriptor Dates