Empire resources and vacation mode

* Modified the empire resources update to check for vacation mode and
apply the modifier from vacation.cashDivider if necessary.

* Some parts of the database need to be reloaded:
  -> 050-updates/015-empire-resources.sql

legacyworlds-server-data/db-structure/tests/user/050-updates/015-empire-resources/010-process-empire-resources-updates.sql

@@ -4,7 +4,7 @@
 BEGIN;
 	SELECT plan( 1 );
 
-	SELECT diag_test_name( 'sys.process_empire_resources_updates() - Privileges' );
+	SELECT diag_test_name( 'sys.process_empire_resources_updates() - No EXECUTE privilege' );
 	SELECT throws_ok( 'SELECT sys.process_empire_resources_updates( 1 )' , 42501 );
 	
 	SELECT * FROM finish( );