Merge pull request #147 from tigergraph/GML-1628

[GML-1628] fix(algs): fix weighted pagerank to return scores for all nodes;

Author: katinar

algorithms/Centrality/pagerank/global/weighted/tg_pagerank_wt.gsql

@@ -90,8 +90,9 @@ IF file_path != "" THEN
     f.println("Vertex_ID", "PageRank");
 END;
 
+V_all = {v_type};
 V = SELECT s 
-    FROM Start:s
+    FROM V_all:s
     POST-ACCUM 
         IF result_attribute != "" THEN 
             s.setAttr(result_attribute, s.@sum_score)