Research weight computations

* Added game.research.weightBase constant

* Added view which computes the weights for each in-progress research

* Added view which computes total weights per empire

legacyworlds-server-data/db-structure/tests/user/040-functions/045-empire-research/070-research-weights-view.sql

@@ -0,0 +1,15 @@
+/*
+ * Test privileges on emp.research_weights_view
+ */
+BEGIN;
+	\i utils/strings.sql
+
+	SELECT plan( 1 );
+
+	SELECT diag_test_name( 'emp.research_weights_view - No SELECT privilege' );
+	SELECT throws_ok( $$
+		SELECT * FROM emp.research_weights_view;
+	$$ , 42501 );
+
+	SELECT * FROM finish( );
+ROLLBACK;

legacyworlds-server-data/db-structure/tests/user/040-functions/045-empire-research/080-research-total-weights-view.sql

@@ -0,0 +1,15 @@
+/*
+ * Test privileges on emp.research_total_weights_view
+ */
+BEGIN;
+	\i utils/strings.sql
+
+	SELECT plan( 1 );
+
+	SELECT diag_test_name( 'emp.research_total_weights_view - No SELECT privilege' );
+	SELECT throws_ok( $$
+		SELECT * FROM emp.research_total_weights_view;
+	$$ , 42501 );
+
+	SELECT * FROM finish( );
+ROLLBACK;