Add the cartodb extension as a dependency

It will be handy to have it available for SQL-implemented functions

TODO.md

@@ -6,4 +6,4 @@
 * Unify style of function comments
 * [x] Add integration tests
 * Make target to open a new version development (create symlinks, etc.)
-* Should add cartodb ext. as a dependency?
+* [x] Should add cartodb ext. as a dependency?

pg/crankshaft.control

@@ -1,5 +1,5 @@
 comment = 'CartoDB Spatial Analysis extension'
 default_version = '0.0.1'
-requires = 'plpythonu, postgis'
+requires = 'plpythonu, postgis, cartodb'
 superuser = true
 schema = cdb_crankshaft

pg/test/0.0.1/expected/01_install_test.out

@@ -1,5 +1,6 @@
 -- Install dependencies
 CREATE EXTENSION plpythonu;
 CREATE EXTENSION postgis;
+CREATE EXTENSION cartodb;
 -- Install the extension
 CREATE EXTENSION crankshaft;

pg/test/0.0.1/results/01_install_test.out

@@ -1,5 +1,6 @@
 -- Install dependencies
 CREATE EXTENSION plpythonu;
 CREATE EXTENSION postgis;
+CREATE EXTENSION cartodb;
 -- Install the extension
 CREATE EXTENSION crankshaft;

pg/test/0.0.1/sql/01_install_test.sql

@@ -1,6 +1,7 @@
 -- Install dependencies
 CREATE EXTENSION plpythonu;
 CREATE EXTENSION postgis;
+CREATE EXTENSION cartodb;
 
 -- Install the extension
 CREATE EXTENSION crankshaft;