starting the skinning work.  Moved the mailing list to a new spark binding
converted social media icons to a spark binding, eliminated the navigation endpoint
created the spark binding for <TopNavigation />
more work on skinning for navigation, added the rake open task to speed things along
introduced the <InnerContent /> spark binding
more skinning, added spark bindings for most of the navigation elements
eliminating TopicTreeBuilder.Title() in favor of something skinnable
have a workable mechanism now for overriding the TopicChrome!
removing fubu-content from git repository
adding the Host/fubu-content to .gitignore
Woo Hoo!  Can load and use custom chrome in the host app for the navigation bar, splash chrome, and topic chrome
can successfully load the index.spark page from the host application
can bring in fubudocs.theme.css from the host
declaring success on skinning and theme's.  Closes GH-12, Closes GH-13