Interesting work.
Note that the content server is in the process of being redesigned from scratch, and will eventually leave beta as calibre v3.
So the current server is in maintenance mode and will not be updated. If you wish to see those changes get merged into calibre, it would need to be part of the new server.
You can actually run the new server right now, using
Code:
calibre-debug --new-server
It looks pretty good, but you will have to decide if you prefer a bootstrap theme.