reverted rednose version

create-dev-env.sh is failing because rednose 0.3.3 seems to have
fallen off the face of the Earth. 0.3 is still available so reverting
to that.

requirements.txt

@@ -51,7 +51,7 @@ python-memcached==1.48
 python-openid==2.2.5
 pytz==2012h
 PyYAML==3.10
-rednose==0.3.3
+rednose==0.3
 requests==0.14.2
 scipy==0.11.0
 Shapely==1.2.16