Merge pull request #1051 from CartoDB/output-versions

Output PostgreSQL and PostGIS versions

.travis.yml

@@ -60,6 +60,9 @@ jobs:
         - createuser publicuser
         - psql -c "CREATE EXTENSION postgis" template_postgis
 
+        - psql -c "select version();" template_postgis
+        - psql -c "select postgis_version();" template_postgis
+
         # install yarn 0.27.5
         - curl -o- -L https://yarnpkg.com/install.sh | bash -s -- --version 0.27.5
         - export PATH="$HOME/.yarn/bin:$PATH"