Previous commit used wrong array compare mechanism.
BREAK? Making compositionComplete and detached

...callbacks receive the parent view and the composition context. This
may break implementors of custom dialog contexts who relied on the
context parameter of the compositionComplete event since this will now
be the 3rd parameter instead of the second.
Some additions to the changes doc.
Added api docs to the build and repo.

In the short term this will give people a way to see what the api looks
like and give some basic documentation until we release with the new
docs on the site.
Updating the nuget starter kit.
Twekaing some content in the changes doc.
Updated some nuget package text.
Fixed incorrect icons in nugets.
Duplicate file between packages removed.
Updated the nuget license url.