Directory reorganization and sketch of new versioning procedure

src/pg/test/sql/02_moran_test.sql

@@ -0,0 +1,21 @@
+\i test/fixtures/ppoints.sql
+\i test/fixtures/ppoints2.sql
+
+-- Moral functions perform some nondeterministic computations
+-- (to estimate the significance); we will set the seeds for the RNGs
+-- that affect those results to have repeateble results
+SELECT cdb_crankshaft._cdb_random_seeds(1234);
+
+SELECT ppoints.code, m.quads
+  FROM ppoints
+  JOIN cdb_crankshaft.cdb_moran_local('ppoints', 'value') m
+    ON ppoints.cartodb_id = m.ids
+  ORDER BY ppoints.code;
+
+SELECT cdb_crankshaft._cdb_random_seeds(1234);
+
+SELECT ppoints2.code, m.quads
+  FROM ppoints2
+  JOIN cdb_crankshaft.cdb_moran_local_rate('ppoints2', 'numerator', 'denominator') m
+    ON ppoints2.cartodb_id = m.ids
+  ORDER BY ppoints2.code;