[Scenario] Add create wizard UI for tags

Adds a create wizard UI for tags. This is the same
as the default create wizard, but allows for future
addition of logic to ensure tags always show up in
the User Tags repository upon creation.
[Scenario] Fix bundle reference in tag wizard UI
[Scenario] Add decorator for repository save

Activity Type and Tag components created via the Create
menu need to appear in specific repositories by default.
The added class can be used to decorate their wizard
UIs to ensure that this happens.
[Scenario] Add class-level javadoc to wizard decorator
[Scenario] Add missing constructor to wizard decorator