Create api endpoints for posting and deleting activity tags.
Faculty and Staff: Working on People Search.
Faculty & Staff: People search returning results.
Faculty & Staff. Fix code error after rebase.
Faculty & Staff: another minor code fix after merge
Faculty & Staff: HTML change. Added form tag to get header top margin right.
Create simpler commands for Update & Replace Activity & fix IEquatable<T>s.
Deprecate unused classes.
Realign activity command names.
Move IEquatable<T> implementations to RevisableEntity base class.
Refactor IEquatable implementation on PlaceNode entity.
Introduce IEquatable for composite primary keys and use on PlaceNode.