Merge pull request #42 from tilmanb/patch-1

update README with correct link

Author: David Winslow

README.rst

@@ -9,7 +9,7 @@ something `GeoTools <http://geotools.org/>`_ and
 setup
 -----
 
-1. Install SBT. See the instructions at http://simple-build-tool.googlecode.com/
+1. Install SBT. See the instructions at http://www.scala-sbt.org/release/tutorial/Setup.html
 
 2. ``sbt update`` to fetch dependencies