Correctly pass a fully resolved / external baseurl on the sitemap.
Correctly pass a fully resolved / external baseurl on the sitemap.

This is required for external pages, such as those created by the blog import system.

nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus,nicholasryan/CorePlus