Merge branch 'gravity2' of github.com:CartoDB/crankshaft into gravity2

src/pg/test/sql/01_install_test.sql

@@ -1,6 +1,20 @@
 -- Install dependencies
 CREATE EXTENSION plpythonu;
-CREATE EXTENSION postgis;
+CREATE EXTENSION postgis VERSION '2.2.2';
+
+-- Create role publicuser if it does not exist
+DO
+$$
+BEGIN
+   IF NOT EXISTS (
+      SELECT *
+      FROM   pg_catalog.pg_user
+      WHERE  usename = 'publicuser') THEN
+
+      CREATE ROLE publicuser LOGIN;
+   END IF;
+END
+$$ LANGUAGE plpgsql;
 
 -- Install the extension
 CREATE EXTENSION crankshaft VERSION 'dev';