Ability to add Queries against Metadata as well as Data

[TeMeta]

ODM Query

is linked explicitly from
ClinicalData
SubjectData
StudyEventData
ItemGroupData
ItemData

We want to link queries to metadata too.
And to make them m:m

So make Query an intermediate relationship class.

Consider whether to class query as internal vs external.

e.g. SiteOrSponsorComment vs Comment