Add in-line docs for bundle platform/commonUI/browse,
which implements Browse mode, one of the common user
interface bundles being transitioned in WTD-574.
Add JSDoc to Create-related classes and remove the
UUIDService (replaced by third-party lib) to reduce
amount of code to cover and prepare for code review,
as part of ongoing transition of common user interface
elements, WTD-574.
Add JSDoc and clarifying comments to the CreateMenuController,
which is responsible for maintaining an up-to-date set of
Create actions for a given domain object. WTD-574.
