Update to anaconda 4.3.0, remove virtualenv

install/from-scratch.sh

@@ -45,9 +45,9 @@ fi
 
 # the dependencies that come before anaconda are being pulled and pinned using
 # anaconda. When you update to a new version of anaconda make sure the
-# dependencies are still in the newer version of anaconda. If they are not there
-# anymore, you need to pin them if we still need them. Otherwise, remove them
-# from here too.
+# dependencies are still in the newer version of anaconda. If they are not
+# there anymore, you need to pin them if we still need them. Otherwise, remove
+# them from here too.
 
 echo "[>>] Creating environment ${NAME} for python ${PYTHON_VERSION} with bob dependencies..."
 ${CONDA} create --copy --yes -n ${NAME} \