2012-06-24: rename to staticsite.py to avoid clashing with `import site`,

rename to staticsite.py to avoid clashing with `import site`,

diff --git a/README.txt b/README.txt
--- a/README.txt
+++ b/README.txt
@@ -17,7 +17,7 @@ Install:
 * Clone this repo.
   hg clone http://draketo.de/proj/hgsite/
 * add this to the [extensions] section in your ~/.hgrc
-  site = path/to/site.py
+  site = path/to/staticsite.py
   if you have no [extensions] section, add it.
 
 Usage: