Mining computations update

* Added a few that can be used to retrieve mining settings for resource
providers from empire-owned planets from either the empire-wide or
planet-specific settings

legacyworlds-server-data/db-structure/tests/user/040-functions/145-resource-providers/020-mining-settings-view.sql

@@ -0,0 +1,11 @@
+/*
+ * Test privileges on emp.mining_settings_view
+ */
+BEGIN;
+	SELECT plan( 1 );
+
+	SELECT diag_test_name( 'emp.mining_settings_view - Privileges' );
+	SELECT lives_ok( 'SELECT * FROM emp.mining_settings_view' );
+	
+	SELECT * FROM finish( );
+ROLLBACK;