* Updated profile definitions per RFC6906.
* Moved "links" to Entry level.
* Dropped "profile" from Entry.
* Dropped "metadataSource" from Entry. The links "via" Lynk Type can be used instead.
* Dropped "metadataRights" from Entry. The links "copyright" Lynk Type can be used instead.
* Dropped "metadataProvider" from Entry. The links HTML5 "author" Lynk Type can be used instead.
* Removed "lang" and "profile" from response format
* Removed Defining New Profiles section