[Xplanet-development] Xplanet 1.1.0

[Hari N. <ha...@al...>]

I've added the -fork option, which runs xplanet in the background.  
This is useful on MS Windows so that you don't need to keep a DOS 
window open.

There was also a bug when using the -projection option where stars 
weren't drawn the first time.

My numbering scheme has no reasoning behind it; it just seemed like a 
good time to bump the version up to 1.1!

As always, let me know if you find any bugs.

Hari