+ Added FakePage to make synthesizing pages easier.
+ Added task :virtual_pages and called during scan phase. Add virtual pages in your Rakefile!
+ Modified config to be more resilient to non-file pages. Grabs content directly from page when passed one.
+ Markdown sitemap can now toggle it's subsection's dated titles.

[git-p4: depot-paths = "//src/ZenWeb/dev/": change = 9253]