some more small release changes

--HG--
branch : trunk
rename : docs/build/jinjabanner.png => docs/html/jinjabanner.png
rename : docs/build/jinjalogo.png => docs/html/jinjalogo.png
rename : docs/build/style.css => docs/html/style.css
rename : docs/build/watermark.png => docs/html/watermark.png
diff --git a/docs/generate.py b/docs/generate.py
index 6b6b0ac..8d9f3a0 100755
--- a/docs/generate.py
+++ b/docs/generate.py
@@ -317,7 +317,7 @@
             f.close()
 
 
-def main(dst='build/', preproc=False, *sources):
+def main(dst='html/', preproc=False, *sources):
     run(os.path.realpath(dst), str(preproc).lower() == 'true', sources)